A major 4jet guru is doug roe, who wrote a book rochester carburetors with full information, rebuild tech, and performance tuning tech. If the date code under the number is 4 numbers 1938 like above it was produced by rochester. Hp books has you covered with its rochester carburetors howto manual hpbhp014. Rochester carburetors model 2g 1957 chevrolet truck v8 c322 std. I would suggest a good stepbystep rebuild manual and the doug roe book for the finer points. Haynes manual,340 how to illustrations show you how to rebuild and tune your. However, this book focus on the higher and finer adjustments and modifications and does not cover the basic rebuilding steps in a systematic approach like a shop manual. It is an invaluable piece of information that you shouldnt pass up.
If you are rebuilding a rochester carb, this is the book for you. How to rebuild a rochester quadrajet 4mv carburetor. Level 1 lv1 replaces factory oem unit for small block gmc and chevy passenger cars or light trucks with 305 and 350 c. I cant stress this enough, if you want more performance out of your qjet or just want a great how to rebuild reference, buy this book.
Rochester products division rpd was a division of general motors that manufactured carburetors, and related components including emissions control devices and cruise control systems in rochester, new york. Rochester b tech carburetor kits, parts and manuals. Ase certified tech rochester carburetors by doug roe. Rochester carburetors, revised edition doug roe on. Ck472 carburetor rebuild kit for rochester b, bc, bv carburetors. Rochester monojet carburetors were used on many sixcylinder automotive engines and provided sufficient power to the engine while maintaining good gas mileage. The pocket guide to rochester fourbarrel carburetors 1952 1987. They started making rochester quadrajet 4 barrel carburetors in 1965. Rochester 4g carburetor parts by the carburetor doctor. Rochester quadrajet part numbers for 19651974 and trucks to 1979. The manual is in two formats regular html pages with jpeg images of the scanned pages and pdf files.
This manual contains diagrams and parts lists for rochester varajet carburetors from 1980 to 1986, as well as application information and. Rochester carburetors by doug roe and haynes rochester carburetor. This book does a great job explaining the function of the parts of the carb, which is a great tool to diagnose problems. At monroe plan for medical care, we open the doors to better health for underserved populations. This book, how to rebuild and modify rochester quadrajet carburetors, seeks to lift the veil of mystery surrounding the qjet and show owners how to tune and modify their carbs for maximum performance. Roe was a rochester development engineer and about as sophisticated a carburetor guru as can be imagined. Everyday low prices and free delivery on eligible orders. Even though the rochester quadrajet may not be the first carburetor that. So with guidance from these retirees and fellow club members, my journey began.
It is a r44mv or 4mc they can have a divorce choke remote choke which means the choke is located on the intake manifold or electric choke located on the side of the carburetor. The rochester model b carburetor was used primarily on 4 and 6 cylinder general motors products from 1950 to 1967. Now, another book about modifying qjets has several recipes for stage 1, stage 2, stage xyz, all which advise drilling the idcr grossly oversize, and now it is common to see them grossly overrich, fouling plugs and getting terrible mileage. Doug was the design engineer on the qjet, and knew all rochester carbs in and out. Doug roe rochester carburetors hp trade, paperback, 19870101. Rochester carb quadrajet parts page carbs unlimited. The rochester 4jet carburetor was a downdraft four barrel carburetor produced by the rochester products division of general motors from 1952 until 1967. Rochester 2 jet main jet specifications carburetor. Also details design, operation and performance modifications of current microcomputercontrolled. If youre looking for the best price on a remanufactured carburetor for a automobile, marine, or industrial application or simply looking for a carburetor kit, we have thousands of carburetors and carburetor kits in stock and normally ship in three to four working days from the time of your order. A good book that everyone who has a qjet should have is doug roe s rochester carburetors. Rochester carburetors by doug roe and karen roe 1987. Fisher, bill roe the history of british trains books history of colgate rochester divinity school lorries natural food rochester ny metro tire goodyear rochester dos amigos rochester mn carburetor rochester. Plus, full listing of quadrajet secondary metering rods for tuning.
The qjet is a very capable but often misunderstood carb. Doug roe was a rochester carb engineer for gm so he likely understood what he published. You dont have to dump the 307s computer controlled carb at all. When they say revised edition, the mean that they took out all of the 4gc and 2barrel technical information to. Rochester carburetors doug roe hpbooks, 1981 isbn 0895863014 rochester carburetor manual mike stubblefield and john h haynes haynes techbook 2168 haynes north america, 1994 isbn 1563920689 delco rochester carburetor parts and service manual covers from 1932 through 1968. This is one of the best manuals found to repair rochester carburetors. The key to calibration is to recognize that the carburetor has four metering circuits idle, offidle, main, and power.
One of the attractive features of the qjet is its centrally located fuel bowl. We supply more auto parts stores with carburetors than anyone else. How to adjust the rochester monojet carb air fuel it still runs. Rochester carburetors by doug roe and karen roe 1987, paperback, revised. Rochester quadrajet 17083224 kits, parts and manual carburetor number 17084284 shown. The model bc carburetors for 1957 incorporate a new low air horn design, to facilitate lower hood styling. Click download or read online button to get how to identify and rebuild corvair rochester carburetors book now. And that not only improves peoples health, it opens the doors to a better life.
Rochester quadrajet with air choke for small block engines. If you are interested in doing some more reading, the books rochester carburetors by doug roe, and haynes rochester carburetor manual by mike stubblefield and john haynes are both very good technical resources for the rebuilding the quadrajet. Doug roe was a rochester products engineer, his book is published by hp and was first published in the early 70s and probably still somewhere on amazon. In this comprehensive and easytouse guide, you will learn.
Chevrolet inline sixcylinder power manual, 2nd edition. These numbers can be found on the side of the carb main body next to the throttle lever, 1965 to early 1968 was a round disc 1968 and later ones where stamped into the body on quadrajets. Rochester carburetors by doug roe, bill fisher, paperback. Rochester 2g, 2gc, 2gv 2 jet carburetor main jet sizes. How to rebuild and modify rochester quadrajet carburetors.
Learn how your carburetor works and what changes give best economy or performance. The best part is all that grease it has preserved the carburetor and protected it from corrosion and other various maladies. Rochester varajet car and truck repair parts 19821985 chevy gmc pontiac rochester varajet 2se carburetor 2. Free carburetor repair manuals mikes carburetor parts. Ck10 carburetor rebuild kit for 19421962 rochester model b carburetor with leather pump.
Unfollow rochester carburetor to stop getting updates on your ebay feed. Oct 19, 2010 the very best book is a bit hard to find. Please remember that these sizes are original and in no way indicate what they should be with todays fuel. One thing to keep in mind, when trying to date a carburetor, is that the year of production might not. Along with decrease in height, air horn construction has been altered to include,a center stud hole for simpler and more positive air cleaner mounting ing. Bb carburetor manual be patient, this is a large file. Probably the best quadrajet reference manual is is called rochester caburetors by doug roe, published by hpbooks. It includes a history of the qjet, an explanation of how the carb works.
A 532 chain saw chain sharpening file is ideal for this. Your guide to the most popular rochester carburetors 2barrel this original rochester 2g has definitely earned its keep over the decades, and it shows. It is within very small circles that the rochester quadrajet is ever considered. Rochester carburetors were quite possibly the most widely used carburetor in the twentieth century, with over one million units produced by the delco carburetor company, a division of general motors. Please remember that these sizes are original and in no way indicate what. Rochester varajet application manual the old updated february 14, 2005. How to select, install, and tune for street or strip. It was also sold as a service replacement for the 1932 and up carter or stromberg carburetors on chevrolet engines. Balkamp 7002003 and is called gm computer controlled carburetor sockets. Jet sizing quadrajet engines inliners international. Our carburetors can be purchased nationwide in over 20,000 different locations.
The monojet is a singlebarrel carburetor, and it is this design feature that inspired the name. When your health is an issue, everything else in life becomes more challenging. All twobarrel carburetors had a cfm range of 285 to 450 cfm, and the original 2g used a manifoldmounted thermalspring assembly that connected to the choke via a linkage rod. Rochester bc published in 1951 rochester dualjet carburetor manual. Autozone, car quest, oreilly, napa and over 5,000 other independent auto parts stores from coast to coast. Fc remanufactured products known as foreign carburetors since 1974. With over 30 million dollars in inventory and the most modern carburetor factory in the nation, we are the king of carburetors. It was first used on oldsmobile and cadillac in 1952 and was used on gm, packard and studebaker cars and. This book is written by qjet specialist doug roe, and covers. In addition to his book, cliff ruggles also maintains a website cliffs high performance, with a forum dedicated to discussing carburetors.
There are two different size throttle bores on rochester twobarrel carburetors, one is 1 14 and the other is 1 12 inches. Your main jets would have the size stamped on the jet. If you acquire the book, and check the chart, you will note varying cfms for different internal venturi sizes for the different size throttle bodies. Gopro hero3 white edition 16 mb camcorder white silver. Rochester carburetors doug roe and bill fisher hpbooks, 1973 printing.
Rochester carburetor troubleshooting it still runs. Crammed full of all the things that made the original. I have the doug roe rochester carburetors book and it is excellent. By jim oclair from the january 2005 issue of hemmings muscle machines. Is very accurate and covers a lot of information and technical suggestions. Ck33 carburetor repair kit for rochester b, bc, bv carburetors. There is a partial chart in the book rochester carburetors by doug roe.
How to identify and rebuild corvair rochester carburetors. Rochester jets chevy message forum restoration and repair. Heres, the definitive book on selecting, installing, tuning and modifying conventional and electronic rochesters. List of carburetor kits and parts for rochester quadrajet 17083224 including manual, choke pull off, float and choke thermostat. When they say revised edition, the mean that they took out all of the 4gc and 2 barrel technical information to. Unloader setting car model clearance checking gauge chevrolet 360 bt108 pontiac 163 pdf files. To make restoring these great old cars easier, weve scanned in the entire rochester carburetor service manual covering the years 19321980 and were presenting it here for free. Use a small round file to make an elongated slot following the scribed line. How to select, install, and tune for the street or strip. The choke mechanism on a 4mv quadrajet made use of a coiled spring that. From19651979 most will have 78 inch 20 fuel inlet till 1971 and 1 inch 20 after. Rochester carburetors are known for their durability and simplistic design, yet even rochester carburetors will. Your guide to the most popular rochester carburetors. This manual does not cover the early rochester 4jet.
This book is absolutley invaluable in doing a rebuild. Explains basic carburetion theory, service and performance techniques for conventional rochesters. Modifying a rochester carburetor to improve your pontiacs. Rochester quadrajet part numbers 19651974 and trucks to. Some are very large and might take some time to download, depending on your internet connection. Basic principles of operation, air and fuel requirements, repairs, and adjustments tips on choosing. Doug roe s rochester carb book has a good chapter on modifying an electronic qjet which, of course, is computer controlled. This carburetor is not intended for rv and performance type camshafts and header application.
If the ends of the screws look too long, they can be ground down with a dremel or small file to the approximate length of the stock screws before peening them. This introduction is a compilation of a couple motor manual introductions, the haynes rochester carburetor rebuild manual, the doug roe. May 16, 2012 there is a partial chart in the book rochester carburetors by doug roe. Basic principles of operation, air and fuel requirements, repairs and adjustments, plus tips on choosing manifords and fuelsupply systems. A good one is rochester carburetors by doug roe and bill fisher. Ck31 carburetor repair kit for rochester b, bc, bv carburetors. Transmission 7010649 governor equipped 7010716 service package 7015759 throttle body parts overdrive 7010718 7009912 air horn parts float bowl paris repair kit 7009950 gasket kit bowl parts air horn parts parts float parts. Modifying a rochester carburetor to improve your pontiacs performance calibration celebration finetuning the quadrajet idle circuit to improve your pontiacs performance.
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