Mechanical pumps are capable of moving high volumes of fuel at very high pressures. Continuous injection mechanical in a continuous injection system, fuel flows at all times from the fuel injectors, but at a variable flow rate. Mechanical system design, development of fuel injection. Mechanical fuel injection systems first saw light of day at the turn of the century, however the following 100 years has seen the system evolve from a very basic and almost crude fuel delivery system, to the recent mass produced versions of the bosch k and ke jetronic. The invention of mechanical injection for gasolinefueled aviation engines was by the french inventor of the v8 engine configuration, leon levavasseur in 1902.
Mechanical fuel pump arguably the most important component of the mfi system is the mechanical fuel pump. Killerrons james monroe and rons fuel injection systems. The mechanical bosch continuous injection ci fuel system is standard on all gasoline engine 240 and 260 models, 1974 140 models and all 1980 and later models except the b21flh and the b23flh. Dec 26, 2019 it will calculate jetting and nozzles in mechanical fuel injection engines in the pits or staging lanes for weather or tuning adjustments. Injector mechanical valve that pops when the fuel pressure reaches approximately 45 psi 3 bar. These systems have to be tuned for optimal performance, like carburetors, but. Rons fuel injection killerrons why mechanical fuel injection. Mechanical fuel injection high performance drag race, circle track and puller engines often employ mechanical constant flow injection systems such as hilborn, enderle, kinsler, crower, engler, rons, etc. One recent application tested racing carbs, efi, and mechanical fuel injection all on the same racing engine. Mar 14, 20 more than fiveandahalf decades have passed since the first mechanical fuel injection system appeared on the c1 corvette and fullsize chevy sedans, but its remarkable how well the system worked.
To be honest mechanical injection isnt as sophisticated as a carburetor. Setting the butterflies on 8 stack mechanical and efi injection manifolds illustration for enderle square barrel valve when using. We can rebuildrefurbish and upgrade any magneto for more output at the sparkplug. This allows us to fully set up and tune the system for the particular engine on one of our dynos. Blown gas, blown e85 or unblown any fuel not blown alcohol changing the rotation of an enderle sg spur gear fuel pump. The fuel system on most diesel engines is composed of three main parts. This is in contrast to most fuel injection systems, which provide fuel during short pulses of varying duration, with a constant rate of flow during each pulse. Fie can also service, rebuild and flowtest your enderle, hilborn, kinsler, or waterman fuel injection pump. The pump is reversible so if the dowel pin in the front cover is on the side that says 150 it is a belt drive pump, if not, then take the cover off, remove the pin, can be a bitch and move it to the hole on the opposite side of the pump. Before you search for tools to make animation video, develop a minimal script of what you want on the screen. Lightweight and compact, typical installation saves 46 pounds. Mechanical fuel injection is used to indicate the metering functions of the fuel injection system. The heui fuel system requires no mechanical adjustment. Prologue chapter 1 introduction to basic fuel systems chapter 2 fuel pumps chapter 3 barrel valves.
Mechanical fuel injection systems hilborn fuel injection. First attempt at starting 1957 autocar truck hasnt run in 15 years. Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector all diesel engines use fuel injection by design. In a rons fuel injection system the pumps are typically driven off of the crankshaft with a mandrel. Thinking about running hilborn fuel injection on my sbc yeah i know. Mechanical, heui, and commonrail injectors basic training. Annular groove is a machined recess forming a ring on the pumping plunger.
Electronic fuel injection 92 mechanical fuel injection 152 components 106 mechanical injector manifolds 46 blown engines 6 buick 1 chevrolet 409 1 chevrolet big block 2 chevrolet racesaver 3 chevrolet small block 8 chrysler 4 desoto 1 ford 8 motorcycle and modular applications 1 offerhauser 1 single throat. The rate of injection of fuel often varies during the injection duration period. The if is engine condition, physically communicated to. Lucas mechanical fuel injection system how a car works. Youve built a mechanical fuelinjection pump, from the days before digital engines. Continuous mechanical fuel injection repair guide autozone. Mechanical fuel injection sky dynamics corporation. It will calculate jetting and nozzles in mechanical fuel injection engines in the pits or staging lanes for weather or tuning adjustments. The following table is a guide to the fuel paths marked by each blue arrow in figure 6.
The development of the engine will be design by using solidworks software and. Mechanical fuel injection is a work of art, dont get me wrong. We flow test and match nozzles and flow entire mechanical fuel injection systems to find the optimal tuneup for your competition vehicle. Dont know if i will ever go back to carbs in a boat. Today is not the day we will see hybrids and electric cars replace fuelinjection vehicles for good. While early porsche 911s used carburettors to regulate the airfuel mixture, changing emissions regulations at the end of the 1960s and the quest for greater power soon saw zuffenhausen turn to mechanical fuel injection on its iconic rearengined sports car originally introduced on the 906. Mechanical fuel injection page 2 alkydigger technical info. Jul 11, 2007 the fuel system on most diesel engines is composed of three main parts. Which software is used to make 3d animations of mechanical. Set up instructions for blow through mechanical systems. This lesson covers how fuel injectors deliver fuel in different modes. Jan 27, 2012 mechanical fuel injection is used to indicate the metering functions of the fuel injection system. And, as time takes its toll on the various components, wear is to be expected in the long run, inevitably leading to failure at some point.
Mechanical fuel injection is holding its own against efi and racing carbs in racing. Mechanical system design, development of fuel injection system on single cylinder internal combustion. May 23, 2014 animation working of fuel injection pump. It covers information on all types of constant flow fuel injection for virtually every application. Its really turned me on to the idea of a mechanical fuel injections use as a street setup. While early porsche 911s used carburettors to regulate the air fuel mixture, changing emissions regulations at the end of the 1960s and the quest for greater power soon saw zuffenhausen turn to mechanical fuel injection on its iconic rearengined sports car. Please practice handwashing and social distancing, and check out our resources for adapting to these times. If they arent, get a recommendation from the maker. Mechanical fuel injection diagnosis and repair aneroid is a smoke limiting device. Setting the butterflies on 8 stack mechanical and efi injection manifolds. Sep 25, 2018 the advancement in fuel injection technologies gave rise to various fuel injection arrangements like throttle body fuel injection, multipoint fuel injection, sequential fuel injection and direct injection that can be used according to the application but when it comes to types of fuel injectors then it is really a tough call to categories them.
Old school race mechanical fuel injection the amc forum. Blown gas, blown e85 or unblown any fuel not blown alcohol. Jan 25, 2012 injector mechanical valve that pops when the fuel pressure reaches approximately 45 psi 3 bar. Gas engines can use gasoline direct injection, where the fuel is directly delivered into the combustion chamber, or indirect injection where the fuel is mixed with air before the intake.
Comes with 5 throttle body, special barrel valve, distribution block, nozzles, nozzle bodies, hoses, fittings, tuning jets, idle, secondary and high speed circuits, fuel pump, fuel pump shutoff w fittings, fuel pump shutoff cable bracket, flowed setup baseline, fi manual and after the sale consultation. May 23, 2014 may 23, 2014 animation working of fuel injection pump. The injection ran good at the drags but only marginally good on the street. It is designed to get the students to think about why we have both and which ones can be mechanical, electronic, and computer, using animation and lab displays. The mechanical fuel injection system has recently been overshadowed by. Delivery valve is a type of valve that provides retraction of delivery line pressure causing the nozzle. I used an electric fuel pump to prime the injectors from the moon tank until the belt driven pump took fuel from the large tank in the bed. Illustration for enderle square barrel valve when using. We manufacture new supermags and sprintmags and supply the world with parts, drives and coils for the former mallory product line. Fax 2483621032 1834 thunderbird street troy, mi 48084 usa. It is the difference between eoi and soi and is related to injection quantity. Our staff has over 75 combined years of mechanical injection experience, ranging from a basic 1 cylinder application to turbo charged v12 monsters, so we can design the ideal system for your racing application.
The kugelfisher system powered the bmw m1 to victory, the 2002 tii to cult car status, and the 2002 turbo past unimaginable barriers. This video is the working principle animation of electronic fuel injection system. We used procalc to set up nozzles and jetting for 5 different fuel combinations, all confirmed in only 15 drag race test runs. Im trying to remember what they called this old school set up back in the day. Kinsler fuel injection manufacturing, sales and service. The lowe fuel injection book is the most comprehensive and most technically up to date fuel injection book in the world. It does this by constantly monitoring air fuel ratio through the use of a wide band o2 sensor. Fuel injection enterprises, home of the supermag and sprintmag. Mar, 2014 fuel supply makes its way through a fuel inlet in the bottom half fuel side of the injector thanks to either a mechanical lift pump in the valley 94. The aim of all types of fuel injections systems is to achieve a delivery of the exact air fuel mix into the combustion engine. Because as per the result you needed you will never get complete solution from a single software package. All injectors in a ci system spray at the same time the same amount, there is no timing as with mechanical injection. This is in contrast to most fuel injection systems, which provide fuel during short pulses of varying duration, with a.
Mechanical fuel injection alkydigger technical info. How does the mechanical fuel injection work, is it streetable, and what do the nozzle designations mean. Oct 07, 2015 youve built a mechanical fuel injection pump, from the days before digital engines. Unfollow hilborn fuel injection to stop getting updates on your ebay feed.
Injection duration is the period of time during which fuel enters the combustion chamber from the injector. Efi and the marvels of mechanical fuel injection drive 4. Fi book introduction mechanical fuel injection constant flow. The main difference between the two systems is that mechanical fuel injection systems use mechanical devices to meter the correct amount of fuel into the engine. Mechanical fuel injection was developed before efi and paved the way for efi technology to be developed. Levavasseur designed the original antoinette firms series of vform aircraft engines, starting with the antoinette 8v to be used by the aircraft the antoinette firm built that levavasseur also designed, flown from 1906 to the firms. Performance fuel systems currently, we are only making our fuel system available to customers who purchase a complete performance engine assembly from us. The if is engine condition, physically communicated to the pump. It gives the clear idea about how to work a fuel injection system. Aug 20, 20 this video is the working principle animation of electronic fuel injection system. Auxiliary air valve a mechanical door that is controlled by a electrically heated bimetallic strip.
Rons fuel injection killerrons why mechanical fuel. Lucas mechanical fuel injection system in the lucas system, fuel from the tank is pumped at high pressure to a fuel accumulator. Until then, we still have to work on cars who rely on a good ol fuel pump to feed their engine with petrol. The barrel valve controls how much fuel goes back into the return line the rest gets sprayed into the tubes via nozzles that control the rate at which it flows per specific pressure. Instajet is an electronic device that will maintain a more stable air fuel ratio throughout the operating range of the engine that uses mechanical fuel injection. The pump is a fixed displacement unit that directly translates engine rpm into fuel volume. Nov 25, 2018 mechanical fuel injection is holding its own against efi and racing carbs in racing. The aim of all types of fuel injections systems is to achieve a delivery of the exact airfuel mix into the combustion engine. From there it passes into the fuel distributor, which sends a burst of fuel to each injector, from where it is fired into the inlet port. Carburetor fuel injection is an advancement of the mechanical fuel injection method. You should also buy a 4 oz bottle of concentrated fuel fragrance.
These pumps are between 40 and 50 years old most do not flow correctly. Mechanical fuel injection bosch kjetronic, bosch k jetronic fig. If you have a fuel cell, call the maker to determine if the ballast sponges are alcohol compatible. Hilborn fuel injection has been a leader in the design and implementation of mechanical fuel injection for over 65 years. Discussion in the hokey ass message board started by 40standard, feb 18.
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