Carburetor vs fuel injection reliability

carburetor vs fuel injection reliability Once the Edelbrock fuel system has been installed, the existing feed line is simply re-routed from the carburetor inlet to the Edelbrock Fuel Sump inlet. Fuel system: 2 X Bing 34mm slide type carburetors or fuel injection Fuel type: unleaded 93 octane auto fuel Oil system: 50:1 fuel/oil premix or oil injection Cooling system: free air or fan Reduction gear: G-50 gearbox with reduction ratios of 2. I have read alot of reports that show twenty to thirty percent less fuel consumption under certain running conditions. After the mid-1980s, carburetors were replaced with electronic fuel injection with an output of 245 horsepower and 400 pound-feet of Inspired by a discussion in chat. Priming one of these old-school systems is a fairly simple procedure, made all the more so since most were designed from the outset with the need for pri On race cars and muscle cars, adjusting a carburetor could be the difference between first and last, fuel economy and power, or even a blown engine. Cheap easy to work with and lear the basics modern carberators very reliable very  I have heard lots of pros and cons about fuel Injection vs carburetor. Carburetors are very good at metering the proper air/fuel ratio based on engine speed and throttle position. G Understand what direct fuel injection is, how it works, and why it promises better fuel efficiency and cleaner emissions. • Fuel must be  1 Apr 2019 We have discussed the different types of Carburetors and the different But now we are going to discuss the Fuel injection systems. Having said all of that, though, fuel injection can cost a Mar 18, 2019 · But since the fuel delivery system is designed for a carburetor, the injector flows much less because the fuel pressure is only around 5 psi compared to its originally intended 58 psi. May 24, 2008 · I like older cars and am considering one from 1979 -- a Buick Electra which has a carburetor vs. General Motors Direct fuel injection is a fuel-delivery technology that allows gasoline engines to burn fuel more efficiently, resulting in more power, cleaner emissions, and inc Like clockwork—just weirder and full of flammable liquid. Aug 18, 2011 · When fuel injection became the standard, many assumed that the death bell had sounded for the typical carburetor system. Additionally, a fuel injection throttle body mounted in place of the carburetor allows a traditional air cleaner to be installed on the engine and further enhance the engine’s traditional look. The engine produces 210 horse power (instead of 190), and requires the use of a battery with 550 CCA (vs. The EZ-EFI Fuel Injection System from FAST will work with your original carb-style throttle linkage, OEM sensors and all ignition setups. FiTech Fuel Injection has been supplying automotive products, specifically fuel injection products, since 2012. Outboard engines on boats were so lean in mid 2000s that the carb became obsolete & impossible to use anymore since a spec of dirt would clog the insides that were so small to reduce the fuel flow vs air. 23 Sep 2016 Anyone have an opinion about a 20hp outboard having a carburetor for instance) vs EFI (Yamaha)? Seems to me that, eventually, fuel will In my opinion (YMMV), fuel injection is the correct choice for any outboard powered boat. Jun 30, 2016 · • The primary difference between carburetors and fuel injection is that fuel injection atomizes the fuel through a small nozzle under high pressure, while a carburetor relies on suction created by intake air accelerated through a Venturi tube to draw the fuel into the airstream 3. This system was more accurate than a carburetor, but it also added expense and  The first use of electronic fuel injection was similar to modern EFI setups; it was though, carburetors would be systematically replaced by a reliable, well- developed, It was always a cost vs. Hence after learning both the advantage and disadvantages of carburetor vs fuel injection system you can see both of them have different advancement and weaknesses. (this would be an O-360-A1A with fuel injection instead of carburetor) All of the experimental Lycoming engine clone suppliers do. Fuel injector gives a slightly higher engine performance and  Fuel Injection systems are a much better way of vaporizing fuel before it This process is done by either a carburetor or by an high pressure injection system. However why does it seem like every time a carbureted motorcycle has an  24 Apr 2018 At the end of 2017, KTM announced the arrival of fuel injection for two-strokes. Quite the combination! Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. Electronic fuel injection is possible using FADEC systems but right now the reliability is still a bit suspect. Lets see, there is electronic fuel injection from Electromotive and TWM, single or paired two barrel side draft carburetors by Weber, single two barrel down drafts from Weber, (progressive or non progressive) and new to the scene are Japanese high performance quad and paired carburetor systems from Mikuni, and Keihin (Kay-hin). Besides the all aluminum motor what should I expect to see in mpg, power, torque, reliability etc between the 2 motors. Will carburetors soon be a thing  17 Apr 2011 If you compare the same engine (say a 787), one with a carburetor and one fuel injected such as the RFI model, which one would be more  20 Apr 2018 Carbs stand the test of time because of their cheap, reliable, fixable simplicity. Originally, the engine used a carburetor, later versions used throttle body fuel injection, and the current version uses multi-port fuel injection. Although most small engines use the carburetor system for its simplicity and cheap prices, and less maintenance costs , fuel injection is the perfect choice for the modern vehicles for better performance, lower emissions, and fuel economy. The only thing you will need do is install a 1 inch thick spacer between the fuel injector and air box and use a different throttle mixture Carb enthusiasts argue that carbs make more power over port injection because the fuel helps "cool" the intake manifold. But when you do consider what it takes to get you from one place to another, it's pretty fascinating. Installing a fuel injected motor with a separate wiring harness and computer can be challenging and expensive way to go. 65:1 or cog-belt Power output: 65 hp (48 kW) at 5500 rpm Sep 19, 2008 · Fuel is injected above the throttle blades by one or more fuel injector nozzles. You can diagnose and fix many carb problems away from home, good  That makes it a great subject to test fuel injection versus a carburetor (in this but if you are in the search for a reliable and efficient package under the hood of   Well, simply because I wanted the reliability of a modern vehicle in a 1968 Fastback Mustang. Fuel Efficient Operation Fuel economy is similar to fuel injection, with the simplicity of carburetion. Apr 23, 2013 · Except at this time most automakers who dabbled in fuel injection tended to have reliability issues. The intake manifolds for EFI flow badly and can't be significantly ported to improve flow without major expense and modification. If you didn’t already know, EFI systems operate at a much higher fuel pressure than do carburetors. Keep in mind that a rich air Carburetors house a float-type chamber, where fuel is collected and distributed to the induction system. Sep 27, 2015 · In my previous blog, I checked my fuel tank and found that my car’s tummy wasn’t in good shape. Feb 09, 2018 · 600 carb Pros:-reliability (has been in skidoo sleds since '99) and is capable of making it well over 6000 miles without a rebuild. Some say that a carburetor is a simple and effective fuel induction method while others vouch for Jul 01, 2020 · Motorcycle Carburetor Vs. He claims that he sees reliability issues with aftermarket EFI and much prefers a carb - we're talking about EFI add-ons in place of a 4 barrel, like Holley Sniper. With more aggressive driving, fuel injection can burn it just as fast as a carburetor, but I also think it's making more HP per gallon with fuel injection then. While the market is awash with bolt-on EFI systems, QFI is different: It combines the superior fuel atomization aspects of a carburetor with the precise fuel control of EFI. To view the carburetor version is the Cub Cadet XT-1 LT46″ EFI or Electronic Fuel Injection has been around since the 1980’s on automobiles and it has finally been installed on the riding mowers. Oct 18, 2012 · Fuel injection offers one distinct advantage over a carburetor, which is the ability to closely control the fuel flow to each cylinder and thereby achieve greater fuel efficiency. And if you can swing it, '07 and later fuel injection runs way nicer than the carb'd versions ran. Aug 31, 2018 · Port injection, although much better than the old carburetors, throttle body systems, just can’t match the power and economy produced by direct injection. I'm looking for a semi-large bike that is fuel-injected because I don't want to toy with carbs at my advanced age (49). Fuel injection, because it can be more precisely controlled, results in more efficient use of fuel, reduced fuel consumption and fewer emissions, which is the main reason it began to replace the carburetor in the 1970s. Jul 12, 2018 · Electronic fuel injection has become more and more common on smaller engines, and that’s probably a good thing. Includes Toll-Free Technical Support !! Looking for pricing on a complete setup? C lick here! Big & Ugly (BAU-1) 10 Hirth model 3202 2 cycle 55 horsepower avaition engine is smooth and quiet running with impressive power, offering a lower fuel rate and increased TBO. Both present in internal combustion engines, carburetors and fuel injection systems accomplish similar tasks. 3L intake and a carburetor In these days when our cars run with computerized efficiency, people don't have to think too much about how their engines work. So while the good old grease monkeys still swear by the reliability, tune-ability and serviceability of carburetors, newer riders believe that fuel injection is better in every way. Thanks again Aug 18, 2011 · When fuel injection became the standard, many assumed that the death bell had sounded for the typical carburetor system. The first fuel-injection system on a streetbike debuted in 1980, but for the most part, carbs were how motorcycles mixed air and fuel right up to the turn of the century. Most of the motorcycle world has embraced EFI but for the motorcycle drag racing application the Carburetors vs. Yah, this is not something you hear about being done very often, but it can be and is done on occasion. Both operate with nearly the same efficiency and reliability giving a slight advantage in efficiency to FI and slight I would think that fuel-injection would be better than a carburetor but the Honda a carb. This change was dictated by the requirements of catalytic converters and not due to an inherent inefficiency of carburation. 5L inline 4 (I4) engine used in Jeeps today was first introduced in '84 when Jeep was owned by AMC. Sep 24, 2018 · Fuel Injection or FI is the introduction of fuel in an Internal Combustion Engine by the means of an injector known as fuel injector. 31 Mar 2016 Does the EFI perform better than the carburetor on motorcycles? Read on for a thorough understanding of the difference. The market is gradually drifting  7 Dec 2015 Electronic fuel injection has come a long way in the last 20 or 30 years. However, when comparing carburetors vs fuel injection, it is important to note the two function differently. Since the 240z gas tank does not have baffles, it should be swapped out for either a 280z tank (must be 75-76 non space saver tank) or a fuel cell (overkill in my opinion for a daily driver/street driven car. If you don't mind drivability problems when the engine is cold or the humidity is  Both systems use electronic fuel injectors to spray fuel into the engine, but the One of the problems with GDI engines stems from small particles of oil/dirt that A carburetor is a device that combines air and gasoline into a mist that is very  6 Nov 2016 So here is our discussion Carburetor Vs Fuel Injection – Brief Crucially, most carburetor problems can be fixed easily at the side of the road  18 Mar 2019 This injector is connected to a small ECU that receives air/fuel ratio feedback from a wide-band oxygen sensor located in the exhaust. owned fuel injected cars as old as 1992 never kung na experience may nasirang any part sa fuel injection. Digital CDI ignition system with variable timing Learn More; Includes a rev limiter to protect against damage from over-revving. Feb 17, 2015 · For example, the Mazda3’s combined fuel economy jumped from 28 mpg in 2010 to 32 mpg in 2012 in our testing of the new Skyactiv engine. EFI is the way to go and it can be done on the cheap What are the pro's and con's of bypassing the computer and running a mild 350 with, say, a 650 cfm carb, vs running a stock 350 Vortec, or TBI using the computer on a truck with a 4l60e? Gas mileage, power, reliability, parts availibility, simplicity? TWM was a manufacturer of intake manifolds, for competition style carburetors, such as the Weber DCOE Series. Carburetor development for automobiles stagnated more than 30 years ago when automotive manufacturers turned to fuel injection to meet emissions and fuel economy requirements, while at the same time, the evolution of carburetor design for motorcycles, snowmobiles and jet skis continued at a rapid pace. That engine was also used in the VW Porsche 914 and also the first 412 when it arrived in August 1972. At first glance I think EFI is going to be better, will have a better power band, better mileage, etc. This innovation allowed fuel pumps to be mounted almost anywhere, and provided increased reliability and longevity. for example i've heard carbureted and fuel injected vrods and they didnt Reliability is great and tunability is almost limitless specially if bike has  25 Mar 2015 If you are flying behind a fuel-injected aircraft engine, it pays to thoroughly In the aircraft world, reliability is valued above all else. Jan 31, 2014 · A properly tuned carb on a boat gets EXACTLY the same fuel consumption as fuel injection. and its still better than a fuel injection system,more reliable or just as,  18 Mar 2012 i have a friend that always says that the sound of carbureted bikes is better. May 31, 2017 · For the additional cost of a race carburetor, there are several upgrades over the street version offered by Quick Fuel Technology that increase reliability and allow for fine-tuning. In a traditional internal combustion engine, jets are the openings in the carburetor through which air and gas flow to provide power. I believe the ultimate combo in an old car is the old car with modern drivetrain/electronics/fuel injection. Aug 20, 2010 · A carburetor is a demand device dependent upon the velocity of the air entering the venturi to create the air/fuel mixture that feeds the engine, and also maintains a series of fuel circuits to Sep 13, 2013 · What is the difference between a carburetor and fuel injection? Listen as Dave guides you through 2 barrel carbs, spread bore carbs, race carbs and compares Oct 19, 2018 · Carburetor does not monitor the air-fuel mixture ratio. By using the venturi effect, where air speeds up in the manifold due to a narrowing of the chamber, fuel is vaporized and mixed with air prior to entering the engine. Great for a track bike, but in town & steady state cruising, a dialed in CV carb setup was more satisfying. Al-Nikasil in simple terms is a nickel based material, applied in a paste form, when super heated it becomes part of the cylinder itself. In order to increase reliability, a throttle body fuel injection (TBI) system was installed on the engine. And there are many very real (and non-pollution related) technical reasons why most all modern internal combustions engines are now fuel injected. I see fuel dripping from the carburetor boosters at idle, what causes this? Too much fuel pressure usually causes this and often times dirt in the float bowls can do the same. Jul 13, 2017 · In 1972 the engine’s twin carb setup was given a shot in the arm courtesy of Bosch D-Jetronic electronically controlled fuel injection which boosted power to 85bhp. fuel injected ??? Both are good and reliable but the convenience of FI is hard to beatespecially on  2 Mar 2009 Is there anyone here who prefers carbureted engines to FI ones? Can't say I've had too many problems with them at all. Computer-controlled, electronic fuel injection systems consist of a computer, an oxygen sensor, a set of fuel injectors, a fuel pressure regulator and an electric fuel pump. I quads with both, and I prefer the FI myself, but I am frightened of the day that it start giving me trouble. I am wondering if i can use my original tank with a pickup tube conversion or if i need a new tank completly. Apr 21, 2017 · In simpler times, carburetors relied on mechanical fuel pumps, and EFI engines required high-pressure electric pumps. was interested in reliability, low initial cost and minimal maintenance as key parts of any The General Motors TBI injector was a simple design that sprayed into the versions featured a form of either electronic or mechanical fuel injection. The objectives of our fuel injection kit are increases in: Power Fuel economy Reliability Driveability Smooth operation Diagnostic capabilities Lower emissions Once installed, your Scout will have an air/fuel mixture of 14. Jan 12, 2017 · As carburetors evolved and fuel injection came into play, fuel pressures increased and low-pressure systems became common. They can still suffer vapor lock, fuel filter & fuel pump issues and may leave you totally stranded. Additionally, the annular-flow boosters can also potentially offer improved fuel mileage in some applications. Duane Cartwright, creator of the fuel injection system Clark's Corvair Parts is going to be selling, dropped in for a visit from Portland, OR. In areas where there is movement between components and flexibility is needed, such as between the engine and chassis, rubber or nylon hose is used but it must be fuel resistant to prevent This arrangement allows a car’s low-pressure fuel system to remain completely intact. The tuning for how much fuel is injected in (a few) various scenarios is all mechanical - set-screws, spr With conservative driving, fuel injection gets better mileage. For starters, has anyone ever seen a perfectly functioning carburetor? CARBURETOR VS FUEL INJECTION – A SHORT HISTORY AND PROS & CONS 20 Jan 2020 As the name suggests, the fuel injection sprays tinges of fuel into the own bike and venture into remote areas, the carburettor is a reliable bet. If you are going to fish offshore/cruise distance and range is a concern, fuel economy should be a concern. But you may be surprised to learn that while they may seem very similar Carburetors and mechanical pumps aren't the most common fuel delivery systems these days, which may mean that you're unfamiliar with their quirks. com is a web based support system which provides a common access point for locating key Information - Education - Support for their Rotax Aircraft Engines such as the Rotax 912, Rotax 914, Rotax 912 iS, Rotax 915 iS, Rotax 503 and Rotax 582. Nov 06, 2016 · A carburetor is dependent upon the velocity of air entering the venture to create a good air/fuel mix to feed the engine, and serves to maintain the fuel circuits which pump the petrol – and although the majority of current high-performance bikes have switched to fuel injection, there are still plenty of motorcycles fitted with carburetor The age old carburetors are slowly getting replaced by the newer Fuel Injection system. Carb'd versions have the oil filter down on the bottom of the engine, and are a PITA to change due to limited engine room access. The only down side and its not really a downside is EFI requires a better fuel filtration system than a carb engine. Carb companies have continued to refine their system of fuel delivery and in many cases modern carburetors can even make more power than alternative systems without all the My 72 has a SBC 350 and my carb took a dump shortly after purchase. Obviously, with almost 40 years separating the first XS750 from the new FZ-09, many things have changed. Mar 17, 2017 · These two charts show the difference in air/fuel (A/F) ratio between the carburetor and the FiTech fuel injection. All compression-ignition (diesel) engines use fuel injection, and many Spark-ignition engines use fuel injection of one kind or another. 10 Nov 2009 The Bosch Motronic fuel injection has been around for a very long time and is countries with clean, stable fuel I wouldn't think twice about carb vs FI. The stock fuel injection system on your car will give slightly better reliability, cold start performance and economy. From this  Fuel injection is not only more efficient and reliable but far more controllable, then carburetor but for the maintenance perspective in fuel injection system more   12 Feb 2020 EFI (electronic fuel injection) systems are becoming more and more popular Many people think that conversion from carburetor to EFI is a really side, but that often means you are getting a reliable system that can create a  Fuel injection is a system for mixing fuel with air in an internal combustion due to lower cost and throttle response problems with early injection set ups, but CI vs. But we wondered if switching from EFI to carburetion, or building a carbureted combo from scratch, was really that simple. Some manufacturers like Ford, Lexus, Toyota, and Audi, are going to a combination of port & direct injection called duel fuel delivery . Even the most beastly of electric pumps can struggle to keep pace with today’s crop of 3,000-plus horsepower Outlaw and Pro Mod-style forced induction Jul 18, 2012 · The D-4S system used on the FR-S/BRZ's engine combines both direct and port injection systems. UREMCO is known throughout the automotive aftermarket as a quality supplier with a strong commitment to customer service, quality and satisfaction. Some of the changes to facilitate this were using a 1970-93 water pump so that older pulleys and brackets could be used, as well as an intake manifold that uses a carburetor instead of electronic fuel injection. Injection has some good points such as no float bowl fuel level going from side to side, changinging mixture, during hard aceleration, braking, or crnering & injection adapts It was the same issue: Nervous transitions. We briefly ran his fuel injection manifolds on my engine but had problems tuning the setup since the dyno can't be set to hold at a certain RPM. It is not maintenance and reliability that would be the problem (at least for modern carb designs) - fuel injection came to motorcycles because of emissions. You'd make more power with the carb setup only because the MEFI used on the 454/502 engines are fairly crude, especially the earlier EFI stuff mercury did. The output for the 460 starting in 1972 is 212 horsepower at 4,400 rpm and 342 pound-feet of torque at 2,600 rpm. 8 Feb 2013 Crucially, most carburettor problems can be fixed easily at the side of the road with an assortment of basic tools. With the introduction of Ethanol type fuels like E85, and the wide spread use of water/meth injection, there is a debate stirring about which is better. Fuel injection is a little bit more fuel economic and benefits from not having to run a choke when the engine is cold (10-30 seconds). Those who rail against fuel injection often do so claiming its Jul 05, 2017 · If you are mechanically inclined a carb won't be a problem, there are some additional maintenance requirements and some issues that can be annoying as noted above but don't think fuel injection means no maintenance or perfect reliability. 10 Nov 2016 Direct fuel injection on gasoline engines sees the fuel injector mounted on the cylinder head to spray fuel directly into the combustion chamber. With direct injection you can introduce fuel into the cylinder when it’s on the compression stroke. I'd like to know from you guys with more experience than me, what are the differences between going a 383 stroker with fuel injection vs swapping in an LS1. Carburetors are simple and effective, but they rely on the intake system to distribute the fuel-air mixture from a central point. The sensor measures the air coming into the engine, and the EFI system’s computer uses that information to determine how much fuel to deliver into each cylinder. -good power to weight, 105-110 horsepower 2-stroke in a 420lb sled -impressive fuel economy 15mpg easy on the trails -capable of 80+ mph Cons:-burns a fair amount of oil -still in the xp chassis 600 ace Pros: Jan 09, 2018 · Fuel injection, it’s the wave of the future. The engine used a carburetor until given throttle-body fuel injection in 1986 (except in the Wrangler, which switched in 1987); in 1991 it switched to multiple-port fuel injection, and in 1993 moved to sequential multiple-port fuel injection. With a multi-port type system Carburetor development for automobiles stagnated more than 30 years ago when automotive manufacturers turned to fuel injection to meet emissions and fuel economy requirements, while at the same time, the evolution of carburetor design for motorcycles, snowmobiles and jet skis continued at a rapid pace. Each of the following should be considered in an effort to ensure your fuel system works efficiently and reliably. Carburetors were the common method of fuel delivery for most US-made gasoline engines until the late 1980s, when fuel injection became the preferred method. A properly tuned modern efi system will provide maximum power, responsiveness, efficiency and precision. For fuel economy, reliability, environment friendly, and adaptability, a carburetor can't compare to fuel injection. It sounds worse than it is because the carburetor's jetting is a compromise to match the jet to the engine speed and load, but when remapping fuel injection, the fuel is altered for a very specific speed/load condition allowing The 32/36 DGV progressive carburetor as used in any REDLINE kit is pre-calibrated and set to run on most normal standard and stock engines and provide a performance and fuel economy improvement. It's pretty hard to mess up fuel injection, but there are people out there who're stupid enough to pull it off. The stock carbureted fuel pump then feeds low-pressure fuel to the sump tank or replaced, but EFI is not a cure-all for an engine that has problems. ) Jun 11, 2005 · Performance of 50 HP Tohatsu Carb vs TLDI I have used a carburetted and a fuel injected 50 HP Tohatsu on the same boat and was surprised to see the TLDI being 8 kph slower. Boasting the honor of the lightest weight outboard in its class, Tohatsu’s newly designed MFS 20hp Electronic Fuel Injection (EFI) is a great choice for a wide variety of boaters. I strongly advocate '04 or newer because the upgrade to the rubber mount powertrain made such a difference. Make the most power, with the right amount of air/fuel mixture, for what you’re trying to do with it and where. Apr 05, 2013 · The system requires a steady supply of fuel delivered at 43 pounds per square inch; as a result, a stock (carburetor-type) low-pressure, mechanical fuel pump will likely need to be replaced with a Im thinking about swapping from a 4. Is that not the case with my '79 fuel injection? Looking at bus model overviews on GoWesty, the '79 California model "is the only Bus that came with electronic fuel injection with Lambda (oxygen sensor) controlled mixture, electronic ignition carb vs efi In the past year I've been lucky enough to own a carbed bike (my '96 Road King with an S&S Super E carb) and a 2006 Heritage with fuel injection. Rather than using a carburetor, which mixes fuel and air through a system of valves, a venturi tube, and suction, EFI injects fuel directly into either the engine manifold or the cylinder. Carburetors are also much simpler to install than fuel injection systems because there are no electrical Oct 05, 2017 · Better starting, more power, better throttle response, better fuel economy and you won’t have plugged up carburetor jets to deal with anymore. Jun 01, 2015 · Unlike fuel injection, however, most carburetors aren't flexible enough to be happy outside a narrow range of conditions. Port Fuel Injection Fuel is injected at each intake port, usually at the cylinder head and intake manifold. Carb companies have continued to refine their system of fuel delivery and in many cases modern carburetors can even make more power than alternative systems without all the Jul 02, 2012 · A fuel injection conversion replaces a carburetor with a fuel injection system. Sep 13, 2011 · The battle between carburetors and electronic fuel injection for fuel delivery superiority has been raging for years with Carburetor fans backing the tried and true system as being capable of producing high horsepower numbers and performance without all the complicated wiring and computer mapping. To use this with the Weber Carb you will have to drill two I would just get a barb fitting for the hex and run fuel injection hose from your local auto parts store with fuel injection clamps. With direct injection you don’t necessarily have to inject the fuel in the cylinder on the intake stroke like you would with a multipoint system or a carburetor. The ongoing requirement to improve fuel efficiency and decrease air emissions (which was better achieved by use of EFI systems) heralded the end of carburetors on Porsche engines. A drawback to a carburetor is they are prone to flooding the engine when the Jeep is at extreme angles Jun 27, 2017 · The three new models have their carburetors replaced with KTM's new Transfer Port Injection system, which uses electronically-controlled injectors to squirt fuel into transfer ports leading to the Dec 22, 2012 · Get a carb. Don't get sucked in by the person trying to sell you a fuel pump that is Most of the motorcycle world has embraced EFI but for the motorcycle drag racing application the Carburetors vs. Hope this helps Assuming the same condition and pricing commensurate with year/condition, typically the newest year you can get is the one you want. 18 Apr 2018 When electronic fuel injection was introduced to automobiles in the for fuel injected vehicles, and that's been causing some problems with modern fuel and rebuilding the carburetor so the engine can get the fuel it needs. Mission critical machines like submarines and single engine light aircraft use fuel injection – demonstrating the extreme reliability of FI as a system for getting fuel into an engine. Other automakers have been using direct injection to add Chose the fuel injection because it was the latest and greatest thing. 10 Mar 2016 Some of these decisions, like choosing between a carbureted or fuel-injected bike, are difficult for many riders. Aug 19, 2020 · Quick Fuel’s QFI is a bolt-on throttle body electronic fuel injection system capable of supporting 500 horsepower. Nov 11, 2012 · The RevFlow floatless carburetor incorporates guillotine slide throttle and mixture control, available from 30mm through 40mm. Although throttle body injection is more efficient than the carburetor it shares the inherent problem of uneven fuel distribution. The oxygen sensor (see one of our previous blogs) reads the air/fuel mixture in the exhaust and produces a voltage reading. Fuel economy differences on a boat are negligible as you tune basically the same way, there are very few, if any, dynamically tuning EFI setups for boats due to the wet exhaust and issues with O2 sensors. Carburetor is the primary system which allows the air and fuel mixture to be mix properly before entering the engine chamber. 17 Mar 2017 We check out FiTech's new fuel-injection system and put it up against a Building a Stroker Small-Block with LS-Like Reliability Efi Fitech Dyno Carburetor Single Dual Plane Intake View Full Single-Plane Intake Carb vs. Consequently, the only purpose of the low-pressure fuel system is to keep the Edelbrock Fuel Sump topped For example the carb will run too rich on hot days and waste fuel, so that it will run acceptably on cold days, because temperature is hard to compensate out on a carb. The engine designs used by both manufacturers are broadly similar (4-cycle, horizontally-opposed, gasoline-powered, air-cooled), and they're both generally available with either carburetors or fuel injection, but I know they're not "identical products". One of the most difficult parts of the DIY fuel injection Feb 21, 2014 · kapag nasira which is very rare. Generally, carburetors that are tuned for peak horsepower tend to run rich at In carbureted engines, the fuel/air mixture meets in the carburetor. Electronic Fuel Injection debate is an interesting and controversial one for turbo, nitrous and naturally aspirated drag bikes. The dealer says there is nothing wrong with the TLDI, it produces less power than a carburetted engine and that causes the speed difference. So you might see better fuel economy from the EFI on a 90 degree day, by a few percent, but largely similar fuel economy on a 70 degree day. The seller of this engine also has older carburetor models as well but I like the idea of easier starting, less smoke and better fuel mileage with the 2000 model. The carb-based systems are less powerful and less efficient, but for those seeking a stock setup, you can’t get more authentic than the original. An electronic fuel injection  Both fuel injection and carburetors have existed in the GA is that the High, Excello, and American Bosch injectors weren't known for reliability. Article courtesy of American Iron Magazine The Harley-Davidson ESPFI system is known as a Speed/Density, Open Loop, Sequential Port Fuel Injection system, that controls both fuel flow, and spark timing. Looking to replace your original factory RX-7 carburetor or failed fuel injection system? Racing Beat offers our rotary-tuned Holley carburetor, intake manifold, and air cleaner assembly in a complete package for all 1979-85 RX-7 12A & 13B engine applications. I want to stick with Yamaha for budget reasons but would welcome newer technology (fuel injection etc. I finally DID pre-decide if it came down to a difference of less than $2000 I would go for the 2015 FI model but I would use the pricing on the 2015 to try and push for a better deal on the 2013 model. But then again, the battle between the two continues as to which one is the  Carburetors work on a pressure-drop principle in which I will not go into great detail There are many types of Electronic Fuel Injection on the market today. Walbro manufactures carburetors, ignition systems, fuel injection systems, pumps, valves and fuel storage and delivery systems. Many street machiners want to emulate Pro Stock race cars that still use Jul 23, 2018 · The question of EFI vs Carb came up with a local supplier. By removing the venturi required by a carburetor, maximum airflow and thus maximum horsepower can be obtained. It's able to constantly adjust the fuel mixture based upon throttle settings that are forever changing with your foot. If that engine has been upgraded or improved with other performance items there will be a need to recalibrate or rejet the carburetor in some situations. Most of the cars from that era used gravity to supply the carburetor with fuel rather than a fuel pump. 9 Wideband Oxygen Sensor provides realtime Fuel Map Learn! I really can't tell the difference in power output from sea-level to 7k feet either. If this were true, what about Throttle Body Injection? I have seen little evidence to prove that carbs out-perform port efi on identical engines and vice-versa in controlled conditions. Well, not only replacing the carb with EFI, but replacing the carb with around $2,000 worth of EFI…yikes! Sep 19, 2015 · I have always heard that fuel injection is superior to carburetors, for reliability, cleanliness, etc. Been a while since I've had a carberated anything if I purchase a 2020 dr650 it is still carberated vs my 2018 klx250 fuel injection, how does the new May 23, 2018 · A closed-loop EFI engine should feel more powerful than the same engine with a carburetor due to its faster response time when sensing additional load. Jun 03, 2015 · Carbs, gravity fed fuel and natural aspiration are BY FAR simpler, BY FAR easier to diagnose and repair and BY FAR easier to bodge, repair and adjust, and any mechanic in the third world understands how it works. This sensor is able to “see" the LED light passing through a spinning reluctor wheel (fancy name for slotted disc) in one-degree increments. Fuel injectors are electronically controlled mechanical devices that are responsible for spraying (injecting) the right amount of fuel into the engine, so that a suitable air/fuel mixture is created for optimal combustion. what are the be far more reliable; blame it on humid and dusty conditions or sub standard fuel in our country. While carburetion may still hold a small advantage in the smoothness of off-to-on throttle transitions (like getting back on the gas from a closed throttle in a corner, or when driving at a very low speed, particu Mar 18, 2019 · But since the fuel delivery system is designed for a carburetor, the injector flows much less because the fuel pressure is only around 5 psi compared to its originally intended 58 psi. Car enthusiasts always have conflicting opinions over the pros and cons of using carburetor vs fuel injection. Now cross it with a gasoline engine, adding In search of a cleaner motorcycle, Lihang Nong, a recent graduate of the University of Michigan, developed the PicoSpray. C Engines, MECHANICAL ENGINEERING Tagged With: carburetor vs fuel injection, carburetor vs fuel injection reliability, carburetor vs fuel injection which is best, fuel injection vs carburetor fuel economy, fuel injection vs carburetor which is better in bikes, I. Consider this: an Edelbrock 3520 Pro-Flo XT electronic fuel injection kit (complete with manifold, injectors and fuel pump) retails for about $3,900 as of October 2010 and can support about 450 horsepower. The DCO was one of the first carbs that could be made to work well on just 950 CFM 4BBL throttle body fuel injection for 250-600 horsepower V8 engines 4150 style 4BBL mounting flange - Bolts on in place of a carburetor Easy to install - No computer experience required - Hand-held tuner included - Simple multiple choice set-up wizard With a fuel injection system, the fuel map must be altered to reflect changes in airflow at various engine speeds. However, low-pressure fuel systems remain relevant because many vintage cars use Weber or Stromberg carb setups. The early carburated models only produced about 100 horsepower with the strongest version of the 300 coming out in the late 60s producing 170 horsepower. One of the most difficult parts of the DIY fuel injection Above and beyond all else, the carburetor's trump card is its low cost of buy-in, maintenance and modification. Jun 21, 2012 · The Carburetor vs Fuel Injection test illustrates that carb owners can stand tall, but no matter which one you choose, the Holley Hi-Ram is one serious induction system. On the cars I could never go back to a carb after a fuel injection conversion, but on two wheels, particularly a scooter, I prefer the smooth groove to the nervous hunt. A simple K20A can reach 200k mileage without any problem with regular maintenance and good quality oil/spare parts. This main fuel pump should be able to supply petrol at high pressure (45+ psi) for the amount of horsepower your engine may make. Halecky Knives · Registered From a reliability standpoint, it is like most electronic Jan 29, 2014 · Also, fuel injection generally works much better off-road than some properly tuned carburetors and is much more robust with regard to changes in weather, altitude, and wear-and-tear. For all our modern technology, nothi In a car guy's mind, if it smells like gas, then it probably is; if it smells like paint thinner but costs more, then its probably a conspiracy on the part of a manufacturer to charge you three times as much for a different can. The AFC system did have a “computer” of sorts (this is the fuel injection system that people claimed CB radios affected) The fuel injection trigger points looked just like a set of non-adjustable ignition points,they seldom were a problem. Shoot, I do fuel injection for a living so one would think that I would scrap the carb the first chance I got. This is an excellent replacement alternative to the 50hp rotax 503 offering several advantages including lower price, lighter weight, better warranty, and lower crusing RPM, which means less noise, less vibration, lower fuel rate, and less Nov 21, 2011 · When fuel injection first came out, they had all kinds of issues and nobody really saw them as being the future. This is the most expensive setup you can go for (though tbh it's not that much more than triples). In an internal combustion engine, the fuel- air ratio of the fuel air mixture has significant influence on the performance of the engine, since it directly controls the power output of the engine. The fuel injection system matched carburetor peak power at SLS conditions while increasing power by as much as 90% at low RPM and high altitude operating conditions. A carburetor, or “carb,” is an extremely reliable and simple machine, and to this day it functions just as it did when originally built in 1888 by Karl Water in your vehicle's carburetor can cause serious problems. With: carburetor vs fuel injection, carburetor vs fuel injection reliability, carburetor vs fuel  29 Dec 2016 That causes problems up-line and can lead to engine and injector damage. Use an oil pressure fuel shutoff relay, and use steel lines on the pressure side of the pump, and you should be just fine. The 13B-RESI engine (Rotary Engine Super Injection) got Bosch L-Jetronic fuel injection system in 1984. Water will prevent the fuel from properly combusting in the engine and can cause your vehicle to run badly or even not run at all, depending on how much water is present in the carburetor. This all-in-one electronic-fuel-injection system could be used in mowers, generators, bikes, and ATVs. This car will be used for short errands occasionally and light travel -- a "fun" weekend car mainly. The Ford 300 was never much of a powerhouse even after it got a fuel injection upgrade for 1987 model Ford and Mercury vehicles. The advantage of the Optimax motor is better mid rpm range fuel/oil efficiency and less reported smoke. Since fuel injection systems shoot fuel directly into the cylinders, they are easier to flood (too much fuel) when starting. owners who fly behind fuel-injected engines will likely enjoy many years of reliable  This is thanks to the increasing reliability and decreasing costs of electronic control systems. When a number of programmable, fuel injection electronic control units (ECUs) became available in the performance aftermarket, it was obvious that many enthusiasts would want to convert from carburetors to injection. This required the use of a mechanical fuel pump to move fuel from the back of the vehicle to the carburetor. It's economically priced so you can have all the benefits of EFI and still Probably a carb, but that said there are an awful lot of BMW 1100GS's running around the world with very high mileage and offer extremely good reliability. 7L LS1, the trans for a 6-speed, the front suspension for a Miata setup, the rear suspension for a custom three-link based on a Blazer axle with a Camaro diff, the brakes were converted to power assist with Miata calipers, the steering column and combination switch is from a Miata Sep 26, 2011 · For me, the advantage of injection over a well-tuned carb is the increased reliability to handle today's corrosive fuels. Just because it is lighter in weight than our previous 20hp four stroke, doesn’t mean this model won’t deliver the same level of performance. fuel injection - I am repowering a 22' chris craft and am Can you think of any automobile made in the past 15 years that uses a carbureted engine? Today's EFI's are supper reliable. We may earn commissio 5 cheap affordable cars Last week, gas prices dropped a bit, to an average of $3. Jun 06, 2018 · While a traditional fuel-injected small-block Chevy V8 had the distributor at the rear of the engine block, the LT1 featured a new type of optical sensor placed on the front of the engine. System failure with a quality carburetor is uncommon when compared to fuel injection systems with computers and sensors. There are several ways you can wind up with wate One of the simplest, and most effective, updates to stock competition motorcycle carburetors were the fitting of a power jet. Oct 03, 2018 · EFi stands for Electronic Fuel injection (Fi), MPFi stands for Multi Point Fuel injection and GDi stands for Gasoline Direct Injection. N DO NOT GO ANY FURTHER WITHOUT INSPECTING AND FIXING N • The air injection system on the 77-82 uses an air pump and is not affected by the installation of the Weber Carb. Their race carbs come with billet baseplates and metering blocks, and as an added bonus, fuel feeds and sight glasses are found on both sides of the fuel bowls. Most of these first generation pumps operated at low pressure (4 to 6 PSI) and were used with carburetors. Antuan Goodwin/CNET Toyota has offered its D-4S fuel injection system for a number of years with Dec 01, 2016 · Walbro’s products have powered over 435 Million engines since 1950 in the lawn and garden, recreational and marine, construction, agriculture and outdoor power equipment markets. Comparing reliability of 305/350 Chevy V-8 to 425/368 carburetor (1977-1980) - is a tough Available in base & master kits (Master kits include complete fuel system consisting of; 20ft of 3/8” Vapor Guard Fuel Hose, 12-920 Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!) The included Genuine Bosch LSU 4. Reports have been coming in that O-520’s and O-550’s are, in some instances, creating more carburetor ice than the original Skylane engine, the O-470. I began my  22 Oct 2013 Anyone have any hard data on fuel efficiency of fuel injected two stroke outboards vs two strokes with carburetors? easier to start and more reliable cars have become since the wholesale adoption of Efi 25 years or so ago. Its  5 Apr 2019 We take a closer looks at how the two fuel delivery systems function, their positives and negative aspects. Painless Wiring makes the conversion from Carburetor to TBI real easy with there fuel injection wiring harness and a parts list of everything you need to make the switch. This greatly minimizes the cooling effect offered by Jan 31, 2014 · A couple of MPH extra at the top end with EFI vs. Older cars have carburetors, but electronic fuel injection (EFI) offers greater fuel efficiency and improved performance. Apr 01, 2019 · This is why the Fuel injection system is most vital competent in the Compression Ignition Engines. Oct 02, 2019 · Fuel injection is simply the most simple, reliable and efficient way to get fuel into an engine. Sep 24, 2016 · Easier to start, better fuel economy, better idle, better throttle respone, blah blah blah. The computer aided fuel injection technology delivers the exact amount of fuel/air needed into the combustion chamber. Nov 22, 2019 · Metal tubing attached to the underside of the vehicle with clips routes fuel from the tank to the fuel pump and carburetor or fuel injection assembly. Fuel Injection VS Carburetor: There are numerous businesses that make all kinds of performance parts for fuel injected engines. Jun 17, 2018 · Generally speaking, this improved fuel atomization eliminates flat spots when the carburetor transitions from idle to part-throttle, for better performance at the lower end of the rev range. Comparing reliability of 305/350 Chevy V-8 to 425/368 carburetor (  11 Apr 2018 In the late 1970s, electronic fuel injection (EFI) and power windows were While EFI replaced carburetors as the standard for automobiles, it took off Another enticing benefit of EFI engines is reliable choke-less starting. com A c arburetor or fuel Injection, these are the two primary types of fuel delivery system typically used in cars, motorcycles, planes etc. Jun 13, 2006 · Yamaha's high-speed fuel pump cranks fuel pressures up to 700 psi before fuel is injected into the cylinders. At WOT, they all burn about the same amount of fuel, but at mid and low range is where the fuel Find Holley Sniper EFI 2300 Two-Barrel Fuel Injection Systems 550-849 and get Free Shipping on Orders Over $99 at Summit Racing! Introducing Holley Sniper EFI 2300! It's perfect for any vehicle that came standard with a 2300 Holley Flange like some Fairlanes, F100s, Javelins, Mustangs, Thunderbirds, Cougars and more. Similar to a carburetor, atomized fuel is delivered above the throttle plates and distributed throughout the intake manifold. By logical reasoning, FI being a newer tech should be better, but there are advantages and disadvantages of all. Apr 01, 2011 · Typical fuel injection systems (other than TBI) inject the fuel directly into the intake or head port (usually aimed at the back of the valve). Mar 01, 2018 · Carburetor vs Fuel Injection: Which One Is Better? It seems that fuel injection is the better option. Butch Bass, Holley: Electronic fuel injection may never become more popular than carburetors on street machines. I tried to probe further and he basically mentioned that the systems seem to have electrical problems and computer problems. Find out What are the most common fuel injection problems? 5 Apr 2013 Electronic Fuel Injection Kit Pickup Truck Carburetor To begin, remove the carburetor, inlet fuel lines and the mechanical fuel pump (if applicable). This is an important piece of the EFI system because it will Apr 27, 2018 · Electronic fuel injection systems using MAF metering have a mass air flow sensor. FI offers better reliability, a larger range of running temperatures, and a very fine control of the stoichiometric values. The primary reason for the internal exam of the gas tank is I’m considering replacing my carburetor with Electronic Fuel Injection (EFI). Aug 03, 2010 · Digital Fuel Injection (DFI) System Same basic system that’s fitted to the KX450F 43mm throttle body assembly with 20 percent higher-flow injector than the KX450F’s injector Fuel injection is an electronic system that injects fuel into an engine to burn. sp4ce seemed to have constant fuel problems with their 990 on the way  24 Mar 2011 Private Flying - Engines: Carbureted vs Fuel Injected - I did use the Of course, to outcome this problems, you need to match the air-fuel ratios  9 Jul 2017 boring but reliable. The great thing about a carburetor-based system is that it keeps things simple and doesn’t cost as much to install as modern fuel injection systems. But a carb has no fuel pump, less computers involved with the propulsion of the bike going down the road, and easier to work on. Feb 16, 2000 · Fuel is then pumped from the anti-surge tank into the fuel rail mounted close to the intake manifold preferably through another fuel filter. Usually carburetors have a fuel bowl that stores a small amount of fuel, an electric or manual choke, and vacuum ports. quality argument and I imagine the decision was  5 Jul 2017 Are they as reliable? Is cost to maintain the same as fuel injected? Any info and experiences you can give me on carbureted marine engines  Fuel injection systems have several advantages over carbureted systems. Simply put, there is no competion whatsoever with a "stock" 60's/70's v8 vs a v8 from a mustang from 86-95, or even 95 up. Power Numbers: Holley Hi In a carburetor system, the fuel is injected into the neck of the carburetor (sort of a venturi) where it mixes with air to produce 'charge'. The Compression Ignition engine performance will be highly dependent on the effectiveness of the fuel Injection system used. Sep 01, 2017 · I personally would get the simple carb motor in that size motor, they are tried and true. For instance Chrysler had its first foray in fuel injection for 1981 with the return of the Imperial where it mated a TBI to its ultra-reliable 318 CID V8. carburetor vs fuel injection reliability

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