Learn how to select, install, tune and modify all popular holley performance carburetors. The dominator was designed as a largeairflow racing carburetor and debuted in 1969 although some sources say 1968, initially to address the needs of nascar competition. Often, many enthusiasts first modification is swapping out the factory induction system for a new holley 4barrel carb and intake manifold. Jan 10, 2011 over the past 50 years, the venerable holley carburetor hasnt changed much. I cant find anything after days of web searching on tuning a 4500 for a street car. If you dont understand how a two or three circuit dominator works then you might want to get back on the trolley when i get to that part. While efi tuners routinely use this new technology with great success, surprisingly few carb owners have warmed up to the idea yet.
The holley carburetor is an icon in the performance industry. Classic finish fits 4500 series holley dominators 1050 1150 1250. Cartech offers every mustang owner books that will be sure to aide in practically any job. If you have an automatic transmission you will need a vacuum sec. These instructions must be read and fully understood before beginning installation. Modern tuning techniques for holley carburetors dragzine. Holley dominator carburetors were designed specifically for producing top end horsepower and torque in highend racing engines.
Self tuning capability efi pro hangout instructional video. In basic terms, if you want lowend torque at lower engine rpm, consider a dualplane intake manifold. Holleys dominator line of carburetors were designed for competition use. Holley dominator efi management system install truckin magazine. Nov 16, 2011 a new beefier pump arm from the linkage and some longer screws. Choose from cj pony parts selection of cartech books for bodywork, engine work, restorations, and interior or electrical instruction.
Holley 4500 dominator carburetors 073201 free shipping. In fact, i believe the holley hpdominator ecu is more sensitive to. Holley sniper 550849k efi 2300 2barrel selftuning master kit see more like this s h p o 4 n 7 s 4 o r 1 e d a j r e a a holley sniper efi 550510k 4. Holley carburetor preparation and tuning guide muscle car diy. Conversely, a heavier vehicle with a smaller engine can benefit from using a stiffer spring to avoid a stumble upon acceleration. Efi idle tuning notes holley performance products forums. For the novice mechanic it provides a precise stepbystep guide to rebuilding a holley carburetor. We now have an association with, and have selected a few holley books for you to. This informationpacked guide provides a detailed view of basic carburetor functioning, modifying for performance applications, customtuning for street, racing, offroad, turbocharging, economy, and other special uses. How to setup and tune holleys dominator efi system part 2. This will, at the very least, give you a baseline as to what your carb should have started out with. I refer to it much more than any of the others that i own.
Typically the idle speed is the only adjustment needed however this short reference guide is intended to explain the. Secondary jet extensions are included with most holley ultra dominators. Congratulations on the purchase of your new aed carburetor. On your engine, lets say someone not you, of course has messed with the carburetor and it now has 75 primary jet and an 85 power valve 71 jet is stock. In david vizards how to super tune and modify holley carburetors, best selling author vizard explains the science, the function, and most important, the tuning expertise required to get your holley carburetor to perform its best for your performance application, whether its street. Episode 103 tuning classic car with vacuum gauge, plug reading, jetting autorestomod duration. Holley ultra hp race dominators feature all aluminum construction with three circuitbillet metering blocks, 12hole billet booster inserts to boost the fuel signal, and improve atomization, adjustable progressive linkage, glass sight plugs, fourcorner idle circuits, and dual 8 an fuel inlets for maximum utility on single 4v or dualcarb tunnel ram applications.
Holley 554114 efi engine control unit dominator cj pony. How to rebuild you can get the carb set up and performing at its best. What has changed are the tuning tools available to us. Tuning tips carburetor tuning tips print or save tuning tips. Tuning holley carburetors, how to tune holley carburetors, how to adjust holley carburetors, how to select holley carburetor power valves, how to adjust the accelerator pump shot on your holley carburetor, how to tell what size power valve you need for holley carburetors, how to adjust the mixture screws on your holley carburetor, how to tell what size holley carburetor you need. Unfollow holley dominator to stop getting updates on your ebay feed. Cartech sa216 david vizards how to tunemodify holley carbs. In 1993, holley introduced its hp pro series raceready carburetors. Jul 16, 2017 which intake manifold should you choose. Efi idle tuning notes free restoration and repair help. If this manual is not fully understood, tuning should not be attempted. How to rebuild is a great addition to any car lovers library and workshop. Whether youre a carb rookie or an experienced enthusiast, you can tune, repair, and select the proper carb for your vehicle with hp books holley model 4150.
Will likely pay for itself in avoiding unnecessary upgrades. In fact, i believe the holley hpdominator ecu is more sensitive to idle tuning idle algorithm, than the commander 950 is. I finally achieved, what i consider, an excellent idling engine. A few of the features dominatorspecific features finally end up being incorporated into a model 4150 carb. This was a gathering of about a dozen of the countrys top carb specialists. I own at least 9 different books on holley carbs, several general repair manuals that cover the holley, and have cut out many articles from car craft, hot rod, and other magazines.
Over the past 50 years, the venerable holley carburetor hasnt changed much. Whether youre a carb rookie or an experienced enthusiast, you can tune, repair, and select the proper. We feel that you have purchased the finest performance carburetor manufactured today. This selflearning fuel strategy eliminates one of the most difficult, timeconsuming areas of. They flow large amounts of air and fuel, as 1,050, 1,150, and 1,250cfm models are available. Yes, the system can tune itself from a baselineall of holleys efi systems. I recently spent several days reading books about efi idle tuning and. Singleplane manifolds tend to favor upperend power at higher engine speeds. I recently spent several days reading books about efi idle tuning and improving my engines idle quality. And, if desired, you can move to advanced levels of tuning and modifying these carbs. Also sections for race and high performance tuning. We gathered information from books, performance industry knowitalls, and the world wide web and we packaged it up into a great little timeline that starts with the earliest holley carburetors starting in 1903 and still going strong with great new carburetor designs almost 110 years later in 2012. I have several holley books, but the best is the 2nd one down by emanual. Jul 06, 2018 better still, the innovative features of the holley efi system actually turns the tuning process into something enjoyable instead of the time consuming and difficult process it used to be.
The carbs here are 4150hp mechanical secondary carb numbers. Part 1 of 2 a lot of videos are long and provide too much information or are cut short on holley carbs. Holley dominator efi vehicle management systems open 24x7 same day shipping. First of all think of the dominators as just two really big two barrel carbs joined at the head like a siamese twin okay. Holley dominator efi vehicle management systems jegs. Here we have gathered all of the currently available holley carburetor specs 4150 hp series. Neat thing about the holley accelerator pumps is that the diaphragm also serves as its own gasket. Holley has been the undisputed leader in fuel systems for over 100 years. Order this holley electronic fuel injection dominator engine control unit from cj pony parts. You take the engine cubic inch and multiply by the maximum rpm and divide by 3456. Jul 01, 2008 almost everybody has a holley carb but not everyone know how to tune them we show you how and help you learn the science and basics of carburetors. Focusing on the holley hp, this ecu offers premier fuel and spark control, while also giving the user the option to tune with or without a laptop. Complete history of the holley carburetor muscle car diy. This is part one of a twopart article on holleys dominator efi.
Its simple design and near infinite adjustability have long made it a favorite among enthusiasts. Autorestomod manic mechanic gasoline media 324,579 views 19. As a single solution, or partnered with products from other holley companies we can give you the edge you need over the competition. Almost everything you would want to know about holley. I tried to disregard what i thought i knew about idle tuning and start with a fresh mindset. I have run both the 9375 and the 8896with the pvs plugged on many mild big blocks from 427 to 509 cubes and they all end up in the same 9094 jet range. These newly redesigned models have a reinforced casing for added strength, a redesigned metering system for greater fuel flow, and allnew surfaces that have been machined to improve their appearance. This tech tip is from the full book, efi conversions. In how to super tune and modify holley carburetors, best selling author vizard explains the science, the function, and most importantly, the tuning expertise required to get your holley carburetor to perform its best for your performance application. Theres more to tuning the holley power valve on the primary side than just choosing when the valve opens. How to adjust tune holley carb carburetor tutorial instructions. Jan 15, 2015 part 1 of 2 a lot of videos are long and provide too much information or are cut short on holley carbs. Holley dominator efi vehicle management systems are designed to control all engine combinations from street to highend unlimited racing.
Order a cartech how to super tune and modify holley carburetors book from cj pony parts today. Your aed carburetor is hand built, test run and double checked for performance right out of the box. Whether youre a carb rookie or an experienced enthusiast, you can tune, repair, and select the proper carb for your vehicle. In david vizards how to super tune and modify holley carburetors, best selling author vizard explains. Its not a haveitonthefender book like a chiltons, but if youre looking for a good primer on how your holley operates before tearing into it its worth the money. Heres a more detailed look at some aspects of holleys dominator vehicle management system. I found this during a search titled running 3 circuit dominator on the street i run a 3 circuit dominator on the street after reading 2 books david emanuel and calling 3 carb shops, and tuning with msd o2 sensor. Holley efi software how to use the help instruction files. Holley, dominator hp carburetor, 2circuit dominator 1x4 carb setups, 1050cfm dominator contoured venturi inlets, for maximum flow and reduced turbulence. Holley carburetors paperback july 24, 1999 by dave emanuel author 4. Screwin air bleeds offer precision tuning capabilities.
Holley 4500 dominator carburetors 073201 free shipping on. In a 4150 and dominator, these carbs have a power valve in both sides, primary and secondary. The big boy of holley carburetors is the venerable holley dominator series, known as the 4500 series. I did my best to create a short holley carb tuning series for my fellow holley carb guys. How to setup and tune holleys dominator efi system part 1. David vizards how to supertune and modify holley carburetors. Failure to follow these instructions may result in poor performance, vehicle damage, personal injury, or death. This informationpacked guide provides a detailed view of basic carburetor functioning, modifying for performance applications, custom tuning for street, racing, offroad, turbocharging, economy, and other special uses. Hes authored five howto books and written over 4,500 tech articles that. Apr 06, 2015 holleys dominator line of carburetors were designed for competition use. Hoping someone can point me to a detailed tuning guide. Holley, dominator hp carburetor, 1050 cfm, 2circuit. Holley carburetor preparation and tuning guide muscle. The book covers much more than holley carb tuning too thankfully.
Holley has been a bestselling subject for years, and this muchneeded update guides you through the traditional 4150 double pumper, dominator, and 4160 vacuum secondary models, as well as all the recent releases from holley, including the ultra street avenger and ultra hp series carbs. How to adjust tune holley carb carburetor tutorial. See how much power it helps us put to the pavement in issue 4 of truckin magazine. Holley dominator efi management system install truckin. Holley 550849 holley sniper efi selftuning kit 2300 flange carburetor replacement throttle body. Holleys dominator can be setup to accommodate your choice of speed density, alphan, alphan combination, and ve fueling strategies. Holley carburetor tuning guide 4150 carbs part 1 youtube. Holley set these up very rich on idle, transition, intermediate and main circuit. Aug 24, 2018 holleys dominator can be setup to accommodate your choice of speed density, alphan, alphan combination, and ve fueling strategies. Failure to follow these instructions, including the pictures may result in subsequent system failure. New or modified fuel lines are required if replacing existing holley dominator 4500 series carburetor previous bowl machining was 7820, aluminum ultra dominator carburetors come assembled with 6an to sae 8. Thirty, forty, even fifty years ago, if you looked under the hood of any modified or performance car, you more than likely would discover a holley carburetor lurking there.
Holley dominator system has an extra chapter devoted to fine tuning the system. Hilborn fuel injection is proud to offer the holley line of ecus and fuel injection components. To the experts, this book is a valuable reference source for part numbers as well as clear and precise photos of parts and diagrams. This is the most comprehensive efi tuning and calibration book available and that is why it has sold in 36 countries worldwide and is used as the efituning textbook by technical schools such as school of automotive machinists and studied by students at lincoln tech and.
Historic holley carburetor milestones rod authority. The dominator efi unit will eliminate the need for additional controllers as they are all contained in this one unit for premium tuning and fuel strategy. Competition carburetors gen 3 model 4500 ultra dominator series installation and adjustment instructions pn 199r106521 congratulations on your purchase of holley ultra dominator series carburetor. Holley advises this gives you the option to select from a variety of load sensing strategies in order to meet the engine requirements or to meet your personal tuning preferences. Double pumper, dominator, and 4160 vacuum secondary models, as well as all the. Holley offers a kit pn 20 that contains several colorcoded springs.
This content came from cartechs book, efi conversions. I have copies of the manufacturing variables on all the dominators from holley that list things not in the books. How to setup and tune holleys dominator efi system part. This system has nearly unlimited capabilities to control any input, output or power adder you can imagine. The dominators offer a wide range of adjustments to tailor the air and fuel flow curves to an engines specific needs on a given day.
The layout for hp carburetor metering blocks and dominator carbs will look slightly different from this standard holley twocircuit metering block. All of these parts are available on our website as well as more holley carburetor tuning parts. In fact, i believe the holley hp dominator ecu is more sensitive to idle tuning idle algorithm, than the commander 950 is. Holley and other manufacturers offer a wide array of single and multiplecarb manifolds.
Oct 23, 2015 if you find a lower price on the same item, change the price and buy. Now, holley efi products power these cars and are dominating the performance world. Read efi conversions by tony candela for free with a 30 day free trial. Holley carburetors powered every monster energy nascar cup team and nearly every nhra prostock champion for four decades. David vizards how to super tune and modify holley carburetors.
Carburetor essential tuning and setup tips fourbarrel. Efi conversions by tony candela book read online scribd. While efi tuners routinely use this new technology with great success, surprisingly few carb owners have. Aug 21, 2017 here we have gathered all of the currently available holley carburetor specs 4150 hp series. For this story, the tips are based on applications using the classic holley 41504160type vacuumsecondary, fourbarrel the nondominatortype, but most are applicable to other popular. Order your cartech sa216 how to super tune and modify holley carburetors book from cj pony parts today. In david vizards how to super tune and modify holley carburetors, best selling author vizard explains the science, the function, and most important, the tuning expertise required to get your holley carburetor to perform its best for your performance application, whether its street, strip, supercharging, or race applications.
If the vehicle is light and the engine is large, a lighter spring can be used to accommodate a faster engine speed increase. Feb 23, 2017 just how good is this latest iteration of holleys big power carburetor. Holley efi 553106 digital dash 7 touch screen for holley efi and terminator x see more like this s p w 3 y 1 m 1 o n m s o r n e 5 d m h can bus ysplitter 6 for holley efi sniper terminator x dominator. Take your efi system to the next level with the dominator ecu.
Written by david vizard, this book provides easily applicable information, that will help your carburetor reach its peak performance in your classic mustang. For allout tuning adjustments with potent nitrous, superchargerer, and turbo capabilities, the aptly named dominator stands alone at the top. Jan 22, 2007 the channel restriction dias, emulsion orifice dias well all the metering block specs are identical except for the 9375s lack of pv channels. Holleys super ultra dominator carburetor motortec magazine. New holley sniper efi selftuning kit,800 cfm,black,4bbl,fuel injection holley 371548 carburetor rebuild kit for 4150 ultra hp carburetor. Holley carburetor owners need a rebuilding guide for delivering exceptional acceleration, quick response, and superior fuel economy. These newly redesigned models have a reinforced casing for added strength, a redesigned metering system for greater fuel flow, and allnew surfaces that have been machined to. Cartech book how to super tune and modify holley carburetors. Those with three circuit metering add a level of transition which requires less pump shot. Apr 19, 20 we add holley s domiator efi management system onto our 2004 gmc sierra, project novakane.