Racing mechanical fuel injection on an outrageous, supercharged nostalgia racing Ford sedan. 16: Personal consultation after the sale! Urbana, IL USA 217-531-1770 M- F 9-5 CST Postal Money Order Site Map All logos and images are reserved. if (window.addEventListener) {window.addEventListener('load', _onload, false);} Enderle Products include: Blower Injectors, Big & Ugly Injectors, Tunnel Ram Injectors, Single B/Fly Injectors, Upright Injectors, Fuel Pumps & Components, Barrel Valves, Injector Hat Components & Filters, Nozzle Bodies & Jets, Hat Lines, Linkage Kits, Injector Hoses, Fittings, Shutoff Valves, Fuel Shut Off Kits, Priming Components, Injector Good Vibrations Motorsports. We carry an Extensive Line of Enderle Fuel Injection Components at DISCOUNTED Prices! Illustration of mechanical fuel injection expanded with the addition of an idle control circuit, barrel valve, and multiple nozzles feeding a throttle valve hat assembly. var _fbq = window._fbq || (window._fbq = []); var google_conversion_color = "ffffff"; We offer Koehler Enderle alcohol tunnel ram fuel injection, engine balancing, industrial balancing, fuel injection flow bench service, Enderle pump repair, NitrousCharger alcohol nitrous system featuring air operated solenoids, Nitrousmaster software, automotive machine shop and welding services in Urbana, IL Enderle Fuel Injection Specialist. A blank bypass jet is installed under the 9/16 hex plug on the metering valve and should not be removed. Lubricate your fuel injection pump, barrel valve, shutoff, check valves, butterfly shafts, cable linkage, electrical connections, Heim joints, any bare surface, etc. var google_conversion_format = "2"; 4011-32 1/4" ball x 10-32 3.95, 4012-32 w 1/4" ball x 10-32 7.95, 361-1 w safety pin .. 2.14, 371-1 1/2" thread length . .26, 371-2 3/4" thread length . .31, 372-2 10-24 or 32 stainless lock washer . .19, 373-1 10-24 stainless nut RH .. .18, 373-2 10-32 stainless nut RH .. .18, 374-1 # 10 .19, 374-2 1/4" . .25, 374-3 5/16" .. .28, 374-4 3/8" . .30, 375-3 5/16 x 1" .. .78, 375-1 1/4 x 1 " .59, 4012 Throttle stop knob .. 2.50, 373-3 10-32 steel nut LH . .88, 4016 Throttle return spring .. 8.95, 4020-R RH 10-32 heim . 8.60, 4020-L LH 10-32 heim .. 8.60, 372-1 8-32 stainless lock washer .. .14, 371-3 1" thread length . .36, 371-4 7/16" thread length .. .22, use for Barrel valve turnbuckle and other linkages, 671 Bug, Bird, BAU 20.57, 1471 Buzzard, BarnDoor .. 24.63, Gibbs1 Gibbs Lubricant 12 oz. #2. fbds.async = true; +C $26.11 shipping. var fbds = document.createElement('script'); js = d.createElement(s); js.id = id; })(); On top of a 1071 BDS Blower.. }(document, 'script', 'facebook-jssdk')); The worlds fastest supercharged doorslammerCamp and John Stanleys Daddys Caddyruns a mechanical fuel injection system from Rage Fuel Systems. if (window.addEventListener) {window.addEventListener('load', _onload, false);} Each Enderle fuel injector is furnished with a set of bypass pills. The fuel tank must be in front of the engine. $3.59-4AN Pill Plug. The open, flared inlets smooth the intake airflow for more horsepower. (function(d, s, id) { var google_conversion_label = "-DXeCK6WxgcQqNmu_QM"; Zoomie Headers. Basically you are drowning the engine. scr.setAttribute('async', 'true'); 12 oz goes a long way. Click here for The tank should have at least a 3 gallon capacity and should be vented with a 5/16 or larger hole. ga('send', 'pageview'); Site Map | Performance Products | Pre-Owned Parts | Press Releases | Technical | Photo Gallery | Special Events | Contact Us, We STOCK the following performance race products: Aeromotive, Billet Connection, The Blower Shop (TBS), Control Cable, Deist Safety, DJ Safety, Enderle Fuel Injection, FIE, IMI Hi-Torque, JAZ Products, Lucas Oil, Mallory Ignition, Milodon, Prolong, SCE Gaskets, System 1 Filters, Total Seal Rings, Wilwood and XRP Plumbing. Extra nozzles can be added for more fuel at the high end for ram air effects. var google_conversion_format = "2"; scr.setAttribute('async', 'true'); var google_conversion_label = "-DXeCK6WxgcQqNmu_QM"; if (!window.__adroll_loaded){__adroll_loaded=true;setTimeout(_onload, 50);return} You must use a 3-way fuel shutoff with a return line to the fuel tank. scr.src = host + "/j/roundtrip.js"; (function() { (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (cools down quicker), > Individual port tuning to compensate for air flow variations, > We can fit FI to any size engine or manifold, > Electric solenoid not needed for staging, > Superior barrel valve, adjustability, air flow & resale value. var scr = document.createElement("script"); This product has to be used to be believed. Zoomie Headers. }()); var google_conversion_id = 1068215464; We carry an Extensive Line var google_conversion_language = "en"; sidesaddle. ga('send', 'pageview'); Site Map | Performance Products | Pre-Owned Parts | Press Releases | Technical | Photo Gallery | Special Events | Contact Us, We STOCK the following performance race products: Aeromotive, Billet Connection, The Blower Shop (TBS), Control Cable, Deist Safety, DJ Safety, Enderle Fuel Injection, FIE, IMI Hi-Torque, JAZ Products, Lucas Oil, Mallory Ignition, Milodon, Prolong, SCE Gaskets, System 1 Filters, Total Seal Rings, Wilwood and XRP Plumbing. To meet the class requirement, racers use oversize fuel pumps with inlet restrictions. All logos and images are reserved. Adjustable heime end Check your flow sheets for verification. A typical installation would include: MFI fuel bypass jets control the fuel mixture to the engine. })(); A set of bypass jets is furnished which includes a jetting card showing the engine information and settings. A typical used Hilborn intake with linkage and stacks . For example, in Top Fuel racing, it is common to use several extra sets of nozzles in a setup. This site has been created & maintained by Good Vibrations Motorsports. For tuning, simple jetting changes control how much fuel enters each cylinder. The Crower Fuel Injection Division was sold to Ron's Racing in Tucson, AZ in 1990. To richen the idle, adjust the turnbuckle so that the arm on the metering valve moves in the open throttle direction. 2023 Power Automedia. Koehler Injection stocks AN, JIC, hi flow flare fittings for tunnel ram, stack, blower fuel injection. js = d.createElement(s); js.id = id; if (d.getElementById(id)) return; Enderle Bug Catcher Fuel Injection mcsqL7 745 subscribers Subscribe 40 Share Save 29K views 12 years ago Changing the Nozzles and Fuel Pump out on a Bug Catcher. }()); var google_conversion_id = 1068215464; Manifolds are available for rectangular- or cathedral-port LS cylinder heads. For naturally aspirated setups on methanol with the proper 1-3 PSI idle check, 7% of the engine size is always danged close place to start. "https://s.adroll.com" : "http://a.adroll.com"); Items and services provided by Koehler Injection are intended for off road use, No responsibility whatsoever will be accepted by Koehler Injection for any damage, injury or loss, We offer Koehler Enderle alcohol tunnel ram fuel injection, engine balancing, industrial balancing, fuel, injection flow bench service, Enderle pump repair, nitrous oxide systems, NitrousCharger alcohol nitrous, system featuring air operated solenoids, Nitrousmaster software, automotive machine shop and welding. design and needle bearings for smooth throttle operation. We offer Koehler Enderle alcohol tunnel ram fuel injection, engine balancing, industrial balancing, fuel injection flow bench service, Enderle pump repair, NitrousCharger alcohol nitrous system featuring air operated solenoids, Nitrousmaster software, automotive machine shop and welding services in Urbana, IL, All Text and images on this website are , We offer Koehler Enderle alcohol tunnel ram fuel, injection, engine balancing, industrial balancing, fuel. Enderle Fuel Injection by Good Vibrations Motorsports | Simi Valley CA Pressure gauges or transducers for data recording. A # 10 inlet line can be used with a 0 or a size pump, although a # 12 line will work with the smaller pumps also. var js, fjs = d.getElementsByTagName(s)[0]; The Feb. 2005 Rodders Digest has an article about doing a Hilborn mechanical fuel injection on a street driver. Joined: Jan 28, 2003 . }(document, 'script', 'facebook-jssdk')); js.src = "//connect.facebook.net/en_US/all.js#xfbml=1"; Components of a Mechanical Fuel Injection system. C $25.98 to C $36.17. Economical, compact and extremely versatile. Spring pressure in the idle control valve sets the fuel volume as shown. Mechanical fuel injection is easily configurable from small setups to very large power outputs. This is especially common in racers with tilted engine installations such as dragsters and funny cars with engines often tilted down. scr.type = "text/javascript"; ((document.getElementsByTagName('head') || [null])[0] || Use a # 6 line form the pump to the metering valve and for the return lines. Will Call by If your injector was shipped directly from Alkydigger, it should be set up for your application. _fbq.push(['addPixelId', '260825620774985']); scr.src = host + "/j/roundtrip.js"; Enderle Fuel Injection is the world leader in Mechanical Fuel Injection for race cars, marine, tractor pullers, mud boggers, etc. Bob is a retired welding engineer and author of 6 books about mechanical fuel injection engine tuning at RaceCarBook.com. Downloadable installation instructions: (click on pic) Tunnel Ram or. window._fbq.push(['track', 'PixelInitialized', {}]); adroll_pix_id = "GGGXQ77VW5D5LL7AURJNOI"; s.parentNode.insertBefore(fbds, s); No responsibility whatsoever will be accepted by Koehler Injection for any damage, injury or loss resulting from their use. I would not hesitate to call them and ask for help. To lean the idle, reverse the procedure. Some setups use two sets of nozzles. Buy It Now. Right this minute hip hot rodders are buying used Hilborn, Crower and Enderle mechanical-fuel-injection manifolds and converting them to EFI. var _fbq = window._fbq || (window._fbq = []); Always set butterflies BEFORE you perform your leak down test. When the butterflies are opened, providing more air to the engine, the barrel valve is opened, providing more fuel to the engine. Items and services provided by Koehler Injection are intended for off road use only. We ship worldwide daily! ga('create', 'UA-214369-3', 'goodvibesracing.com'); Mechanical fuel injection works with a simple throttle-controlled air valve and a fuel pump, usually running at one-half engine speed. Blown For most any configurationsuch as inline, V-style, opposing, or rotary enginesmechanical fuel injection can be easily adapted to the various different cylinder locations. Some good info in the article. fjs.parentNode.insertBefore(js, fjs); if (document.readyState && !/loaded|complete/.test(document.readyState)){setTimeout(_onload, 10);return} Finding and maintaining the optimum air/fuel ratio for your setup is the simplest way to determine bypass jetting values for optimum tuning. }(document, 'script', 'facebook-jssdk')); var _fbq = window._fbq || (window._fbq = []); That is providing extra fuel for more power benefits at lower engine speeds and a whole new era of tuning tricks. Blown Injection Tunnel Ram Injection Single Butterfly Injection Fuel Log Diagrams Barrel Valve Leakdown Pertinent Specifications & Poop Carb Linkage Instructions Fuel Pump Tech Spring Pressure Chart var js, fjs = d.getElementsByTagName(s)[0]; (function() { Prices! if (window.addEventListener) {window.addEventListener('load', _onload, false);} The Enderle Fuel pump Rotation can be identified and reversed, as needed. Air is controlled with butterflies in a fuel injection hat or manifold. We specialize in fuel injection, both sales and service, and I will beat anyone's online advertised price for Enderle fuel injection.Call 402-597-3242 to get the right parts the first time and remember "It Pays Better To Win" and win you will with Cavalieri Racing Equipment Co. 22 products Sort By Upcoming Events No upcoming events found Home if (d.getElementById(id)) return; World leader in Mechanical Fuel Injection for race cars, marine,. })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); (function() { Enderle Fuel Injection is located at 1830 Voyager Ave in Simi Valley, California 93063. ENDERLE FUEL INJECTION AUTO RACING DRAG RACE HOT RAT ROD BLACK OR WHITE T-SHIRT. Brand: Enderle Part Number: 71-1000 Alternate MPN: 711000 Warranty Zoomie Headers. To richen the idle, rotate the turnbuckle towards the rear of the injector, (shortening the linkage leans the mixture, lengthening richens the mixture). $5.16 var google_conversion_value = 0; With the inlet opening facing down at 6 o'clock, the V Notch in the cover should be at 9 o'clock for Belt Drive Rotation or Rear Cam Rotation ( Pump turns Clockwise when turning the Hex Shaft) To lean the idle, reverse the procedure. Racers with a little bit of MFI knowledge regularly exceed extended performance goals. > Recovery on a Super Gas car is as smooth or as instant via your throttle control. For any additional information call 805-526-3838, Hours:Monday through Friday10am to 5pm CST Closed: Sat-Sun Closed: Holidays, 2023 Alkydigger.com All Rights Reserved, Setting up Unblown Engines Enderle Tunnel Ram, TBS BLOWERS - SUPERCHARGERS - DRIVES-- ACCESSORIES, MECHANICAL "HAT" INJECTORS - ENDERLE-HILBORN- JBR, MECHANICAL INJECTION MANIFOLDS - HILBORN-ENDERLE, ELECTRONIC FUEL INJECTION -PARTS-CONVERSIONS, Harmonic Balancers- Oil Pumps-Gear Drives-Crank supports- Jesel, TUNNEL RAM & SINGLE PLANE & COMPLETE SETUPS, Drives- Magneto , Fuel Pump , Distributor, ELECTRONIC FUEL INJECTION -PARTS-CONVERSION KITS. Enderle Fuel Injection can be contacted via phone at (805) 526-3838 for pricing, hours and directions. 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Do not change the bypass jet to cure problems at idle. offers unlimited alcohol fuel flow curves that can't be matched by, modified gas carburetors. fbds.src = '//connect.facebook.net/en_US/fbds.js'; To richen the idle, adjust the turnbuckle so that the arm on the metering valve moves in the open throttle direction. No responsibility whatsoever will be accepted by Koehler Injection for any damage, injury or loss resulting from their use. For starting and idle control, an idle circuit is normally provided to the system. The second set is for controlling fuel distribution cylinder-to-cylinder. CLICK HERE for Tech Pages COMPONENTS Break Down While EFI has many more controllable features, at the same time, the cost and understanding of the technology for tuning is much greater. var google_conversion_language = "en"; Most popular is black and keep in mind there is gloss, satin and flat finish. var host = (("https:" == document.location.protocol) ? else {window.attachEvent('onload', _onload)} When running alcohol with an electronic ignition, the spark plug gap should be in the .020-.030 range. Docket Case disposed with disposition of Default judgment by court. with a savings in not having to run down and ship in every little piece no one told you about. })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); var _onload = function(){ Enderle Fuel Injection at Discounted Prices Enderle Fuel Injection Good Vibrations is the LARGEST authorized dealer in the world of Enderle Fuel Injection Products. service, Enderle pump repair, nitrous oxide systems, NitrousCharger alcohol nitrous system featuring air operated solenoids, Nitrousmaster software, automotive machine shop and welding services in Urbana, IL. _fbq.push(['addPixelId', '260825620774985']); > Alcohol makes more power and costs less per pass than Racing Gasoline. Works on blowers or tunnel Other racing performance uses Bare chassis, Bare aluminum, machined surfaces, shop machines and on and on. } Retighten the locknuts. Adjustable heime Small 4-cylinder engines making 100 horsepower are easy to do in midget racing. Mechanical fuel injection is a low-cost, powerful fuel system that wins! "https://s.adroll.com" : "http://a.adroll.com"); In addition, the fuel pump should be fed with an adequate supply line to avoid inlet cavitation. Injection Tall Injector (Big & Ugly), Buzzards, window._fbq = window._fbq || []; All text and material are copyright 1989-2023 by Good Vibrations Motorsports. Sponsored. if (!window.__adroll_loaded){__adroll_loaded=true;setTimeout(_onload, 50);return} s.parentNode.insertBefore(fbds, s); Items and services provided by Koehler Injection are intended for off road use only. _fbq.loaded = true; In these setups, an oversized fuel pump delivers more fuel than the engine needs. }; Any bypass jets (including the main bypass, high-speed bypass, pump saver or others) divert excess fuel away from these engine nozzles to maintain a proper air to fuel ratio. The cause is that you are on 100% barrel valve opening and the pump is putting out whatever gpm it does at that particular rpm. var google_remarketing_only = false; Port nozzles are often put on a pressure poppet (brass poppet lower right of center photo) that holds them closed until engine speed increases. They cause flow problems which in turn creates poor consistency and power when the engine is under load. The barrel valve on this blown alcohol engine shown with additional fuel pathways for various drag race tuning functions: starting, burnout, staging, launch, and high speed lean-out. window._fbq = window._fbq || []; BlownInjection TunnelRamInjection SingleButterflyInjection FuelLogDiagrams BarrelValveLeakdown PertinentSpecifications&Poop CarbLinkageInstructions FuelPumpTech SpringPressureChart. Port to AN 37 Male Flare. We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. var google_remarketing_only = false; Will Call by A 2-way style shutoff will damage the fuel pump. Always set butterflies BEFORE you perform your leak down test. INSTALLATION IN ENDERLE BLOWN ALCOHOL INJECTOR PLEASE READ THESE INSTRUCTIONS BEFORE INSTALLING YOUR FUEL SYSTEM. var scr = document.createElement("script"); We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. When installing the injector on the Manifold tighten the bolts evenly to prevent distortion. TR Parts Breakdown Blown Linkage Kit SideSaddle Dual Carb Parts Breakdown TR Linkage Kit SideSaddle Dual Carb Blown Kits SBC TR Kits _fbq.loaded = true; from United States. (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), Simple high-speed bypass circuit used for trimming the fuel curve in mechanical fuel injection. An inlet restrictor limits the fuel pump output back to the 12 GPM value. This connection between the spool and air valve normally includes an adjustable turnbuckle. These jets divert a certain amount of fuel away from the engine and back to the fuel tank, which is useful for controlling the overall fuel flow to the engine. scr.type = "text/javascript"; damage, injury or loss resulting from their use. Birds, Bugs, etc and Carbon Fiber Hats. The fuel system tuning in a well-developed fuel injection setup like this involves simply changing a main bypass jet and/or a high-speed poppet pressure setting for variations in air density. var google_conversion_value = 0; PSI screw-blown 500 cubic-inch V8 engines on methanol report power levels over 4,000 horsepower, and methanol has other benefits. Understanding fuel injection isnt complete without understanding how other parts of the setup work with the fuel injection. https://www.alkydigger.net/proddetail.php?prod=LeakdownAD link to tester, Setting and Leakdown Procedure for Enderle Barrel Valve **NEW** Major Changes Added, TBS BLOWERS - SUPERCHARGERS - DRIVES-- ACCESSORIES, MECHANICAL "HAT" INJECTORS - ENDERLE-HILBORN- JBR, MECHANICAL INJECTION MANIFOLDS - HILBORN-ENDERLE, ELECTRONIC FUEL INJECTION -PARTS-CONVERSIONS, Harmonic Balancers- Oil Pumps-Gear Drives-Crank supports- Jesel, TUNNEL RAM & SINGLE PLANE & COMPLETE SETUPS, Drives- Magneto , Fuel Pump , Distributor, ELECTRONIC FUEL INJECTION -PARTS-CONVERSION KITS. adroll_pix_id = "GGGXQ77VW5D5LL7AURJNOI"; Reaction score. If you dont have a leakdown tester, we sell a nice one with -6AN and -8AN fittings listed under Tools and tuning aids .You will need one eventually,,,,might as well quit fiddling around. if (!_fbq.loaded) { Normal installations involve a fuel pump about 25- to 50-percent larger than the engine demand. Use a smaller bypass to richen the fuel mixture and larger bypass to lean it. Additional components are added for air and throttle control for power modulation. We pride ourselves on providing a Fuel Injection that is as "plug and play" as possible. Linkage Kits. if (d.getElementById(id)) return; This approach often makes us look more expensive than some but you actually wind up. The Enderle fuel injection lineup includes everything customers may need for their projects. document.getElementsByTagName('script')[0].parentNode).appendChild(scr); If you are going alcohol racing there is only one way to supply air and fuel and that is with a. Koehler - Enderle tunnel ram Fuel Injection. Lubricate your fuel injection pump, barrel valve, shutoff, check valves, butterfly shafts, cable linkage, electrical connections, Heim joints, any bare surface, etc. Finally, it is simple to set up nothing more than a driver-controlled air valve for throttling with a simple hydraulic system to deliver the fuel. var fbds = document.createElement('script'); This bypass controls the fuel mixture at full throttle and has little or no effect on the idle. In fact, MFI pioneer Stuart Hilborn of Hilborn Fuel Injection became the first driver to ever eclipse the 150 mile-per-hour mark at El Mirage Dry Lake in April of 1948 using a self-designed constant-flow mechanical fuel injector. Hours:Monday through Friday10am to 5pm CST Closed: Sat-Sun Closed: Holidays, 2023 Alkydigger.com All Rights Reserved, Since the idle mixture is controlled by the metering valve, the purpose of adjusting is to achieve a richer or leaner idle condition. Once the system is primed, fuel is delivered directly to the engine for fast startup. }()); var google_conversion_id = 1068215464; adroll_adv_id = "CUHVY3OLUVBZPJTAWUVLYM"; Koehler - Enderle tunnel ram Fuel Injection. Good (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), js = d.createElement(s); js.id = id; _fbq.push(['addPixelId', '260825620774985']); else {window.attachEvent('onload', _onload)} All engine nozzles comprise the fuel system jetting. adroll_adv_id = "CUHVY3OLUVBZPJTAWUVLYM"; Holley double pump carbs, Dominators, Predators & Carters mounted MFI has a long history with many different formats of racing: drag racing, circle track racing, boat racing, and top-speed events like those held at Bonneville Speed Week. We will guide you through your first steps. Bob and Jennifer maintain a blog at their websites in addition to co-writing articles for various auto industry resources. Use a smaller bypass to richen the fuel mixture and a larger bypass to lean it. injection flow bench service, Enderle pump repair, nitrous oxide systems, NitrousCharger alcohol. Also, do not use a fuel tank mounted in the rear of the vehicle. Fuel goes through the barrel valve, then through fuel lines, directly to the intake system feeding each cylinder. The bypass pill is located under the 9/16 hex plug on the metering valve. (function(d, s, id) { In this system, idle air volume is set with a throttle stop. This site has been created & maintained by Good Vibrations Motorsports. -12 line to an 80-1 pump..from there i have a 3 way shutoff valve..the top of the shut off valve is a -6 line teed off with one of the return lines from the metering block that goes back to the inlet of the pump ..the right line on the 3 way shut off valve goes into the inlet side of metering block.and the 2nd return line also taps into the . Details Magneto Kill-Switch Super safe and specially rated for reliable duty Details Fuel Return Manifold Our very own little manifold comes hard anodized and loaded with whatever fittings you need. It is important to lubricate the fuel pump with LPS-3, WD-40, light oil or some other type of lubricant. New to fuel injection? 12 oz goes a long way. adroll_adv_id = "CUHVY3OLUVBZPJTAWUVLYM"; These are used to modulate the air to the engine, common in racing around the world. DISCOUNTED It is our experience that alcohols performance is changed about half as much as gasoline with the typical changes in air conditions, says Mike Chilando, owner of Alkydigger. Waterman Nostalgia Bertha Fuel Pump: 17.50 GPM. } Jul 14, 2015. Waterman Sprint 700 Fuel Pump: 6.80 GPM. If the motor loads up at idle, the idle adjustment is too rich or the butterflies should be opened more. O-Rings. m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) Linkage is added to operate the barrel valve spool or metering device from the air valve. Electronic controls modulate the duty cycle of electronic fuel injection for the throttle position and other factors. Fuel tank vent allows air to get into the fuel tank, Hoses or tubing to carry the fuel from one component to the other, A mechanical fuel pump sized for the type of fuel, power level, and engine RPM range, Injector hoses, distribution block, and injector lines to feed the injector nozzles. var google_conversion_language = "en"; The idle speed is controlled by the butterfly shaft stops on each end of the butterfly shaft. The intake utilizes LS3 OEM fuel injectors and accepts a GM four-bolt, 92mm, drive-by-wire throttle body (not included), making the system compatible with factory and aftermarket ECUs.