Some of these service operations require the use of tools specially designed for the purpose. Read download rochester carburetor manual haynes techbook pdf. It has been proven to be dependable and a versatile. Helpful information you need when you rebuild your carburetor. Detailed specifications and parts lists are here for 19801986 models. Although rochester carburetors are primarily found on gm vehicles rochester is owned by general motors, they have been used by other manufacturers, too.
Rochester carburetor manual available for download and read online in other formats. This book, how to rebuild and modify rochester quadrajet carburetors, seeks to raise the veil of thriller surrounding the qjet and present house owners how to tune. Random related manual choke cable for rochester quadrajet. The vent valve seats a pas sage which lebds from a point in the carburetor bore just above the throttle valve to an external bleed hole at.
The rochester quadrajet carburetor was discovered perched atop the engine of many a basic gm efficiency car. Carburetor number float level float drop pump rod choke setting choke unloader float weight mcm 120140 898490a2 spring needle 916 14mm 1 332 27mm. Install the idler screw the one with the pointy tip and spring. Holley 1920, 1940, 1945, 2210, 2245, 5200, 5210, 5300 carburetor manual. The rochester 2g carburetor was introduced in 1955 and was used in various applications by all gm divisions through 1979. Weve added a new easier to use version of the text of the service manual here. Hv diaphragm operated choke control with a choke thermo static coil mounted. Fuel system rochester m4me, e4me, e4mc 4bbl carburetors we have made sure that you find the pdf ebooks without unnecessary research. Screw it all the way in, then back it out one and a half turns. They started making them in 1965 and ran threw 1974.
This manual covers all rochester qjet carbs including the 4mv, m4mc, m4me, m4med, e4me and e4med. Cm10 chevrolet b, bc car models up to 1956, trucks up to 1962. Rochester carburetor numerical index carburetor kits, parts. The vent valve seats a pas sage which lebds from a point in the carburetor bore just above the throttle valve to an external bleed hole at the side of the throttle body easting. The thermostatic coil ismounted on the ex haust manifold instead of the choke housing and is connected to the carburetor choke shaft by connect ing linkage. Hv model h, rochester rochester carburetors general description the rochester model h and hv carburetors are used on the chevrolet corvair six cylinder. Model rochester products, division of general motors. Read and download ebook rochester monojet carburetor manual pdf at public ebook library rochester monojet carburetor ma.
Rochester dualjet carburetor manual rochester e2se carburetor manual rochester e4mee4mc service manual rochester monojet carburetor manual carburetor manuals autolite, carter, ford, holley pontiac rochester 4gc carburetor manual. For a complete example, 7028219 dg1938 translates as 1968 federal standard quadrajet from a chevrolet with manual transmission. It is easily identifiable by the words 2 jet on the air horn lid. Pdf rochester carburetor manual download full pdf book. Cm26 ford flathead v8, lincoln v12 and ford 272 cid. A quick internet search revealed that we had a rochester 4barrel carburetor with a manual choke that met california emissions standards. Rochester bv 1bbl carburetor repair guide autozone. How to decode rochester quadrajet carburetor numbers it.
Models 2g, 2gc, 2gv service manual carburetor parts. Bend the diaphragm link, if adjustment is necessary. If there are any issues with the download process, contact the representatives of our customer support, and they will answer all your questions. The rochester carburetor repair manual by haynes, will teach you how to maintain and fix your carb, and realize its full potential. 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. Cm11 196165 buick, oldsmobile and pontiac 2gc small bore cm22 19551971 rochester 2jet small bore 114 cm42 19581969 rochester 2jet large bore.
Because there are so many different combinations, we cannot possibly duplicate the vacuum signal. Apr 28, 2016 when discussing quadrajet models, the number 4 means a fourbarrel carburetor. Haynes weber carburetor manual pdf give us 5 minutes and we will show you the best book to read today. Quadrajet carburetor 4mv4mcm4mem4mc service manual. Air valve binding, stuck, wrong spring tension adjustment. Read online rochester carburetor manual haynes techbook and download rochester carburetor manual haynes techbook book full in pdf formats. You will also find detailed service manuals for specific. Blueprinting a 4gc or any other carburetor should be started the same way as blueprinting an engine with complete disassembly and a thorough cleaning. And, having access to our ebooks, you can read e4me quadrajet carburetor manual online or save it on your computer.
Holley 2300 carburetor rebuild manual from a 1962 repair manual. This is a good place to start and recommended in the carb kits instructions. All carburetors are installed on our test engine prior to shipping. The qjet is a really succesful however typically misunderstood carb. Rochester 2g, 2gc carburetor manual rochester 4g, 4gc carburetor manual rochester aa carburetor manual rochester b, bc, bv, aa, bb carburetor manual be patient, this is a large file.
The special tools should be used when and as recommended. My manual shows 2bbl and 4bbl rochester carbs, but none with a e on the end. Rochester carburetors, revised edition paperback january 1, 1987 by doug roe author 4. The original early size has center to center stud dimensions of 2 x 3. This is it, the haynes weber carburetor manual that will be your best choice for better reading book. Rochester quadrajet manual the old car manual project. Thoroughly dean carburetor castings and metal parts in carburetor cleaninz solvent. Your guide to the most popular rochester carburetors. The clearance between the lower edge of the choke valve and the air horn wall should be 0. This condition which is noticeable in the 2060 mph speed range when accelerating can be cor rected by installing a no.
Rochester bc carburetor float bowl screws work loose, install later type gasket black in color 7960 chevrolet truck 235 eng. Rochester quadrajet carburetors up to and including the 1967 model year were identified by a round, pressedin aluminum bottle cap tag on the drivers side of the float bowl near the front. Click on the thumbnails to view the fullsize images. Supersedes 9d5 models 4mv4mcm4mem4m c dated may 1973. The procedures recommended by rochester products division of general motors an d described in this service manual are effective methods of performing service operations. Rochester 4 barrel m4me carb car talk rochester 4 barrel m4me carb. The manual is in two formats regular html pages with jpeg images of the scanned pages and pdf files. Carburetor service manual delco o rochester rochester products division of general motors rochester, new york co, 1, 216, 9fd 906 h. Starting in 1968, the number was stamped on the drivers side of the float bowl above the secondary throttle shaft. Quadrajet carburetor 4mv4mcm4mem4mc service manual 9d5. The first three numbers are for the day of the year the carburetor was made, and the last number is the year it was made. It is a r4m4me the m4me is a electric side mounted choke rochester quadrajet 4 barrel carburetor.
The procedures recommended by rochester products division of general motors and described in this service manual are effective methods of performing service operations. The julian date code march 7, 1977 was correct for the year of the car, leading me to believe it is the original carb. It is a r44mc the 4mc is a hot air side mounted choke rochester quadrajet 4 barrel carburetor, which means the choke is located on the passenger side connected to the carburetor and draws hot air from the intake. If there arent numbers, you have a carterproduced carburetor, not a rochester quadrajet. To find a e4me quadrajet carburetor manual, you only need to visit our website, which hosts a. There are two types of float needle valves used in the. Read and download ebook haynes weber carburetor manual pdf at public ebook library haynes weber carburetor manual pdf download. The next letter, v, c, or e stands for the type of the chokes thermostatic coil. Free carburetor repair manuals mikes carburetor parts. United delco delco rochester model 4gc carburetors 195658 chevrolet v8 see bulletin 9c305 date. Rochester quadrajet installation these instructions cover all quadrajets. Divorced choke thermostat rochester monojetholley 5210. The rochester quadrajet is a four barrel, two stage carburetor of down draft design.