The manual is in two formats regular html pages with jpeg images of the scanned pages and pdf files. This test is performed to ensure that all idle circuits and other carburetor functions are working properly. A decent book if youre looking for quadrajet information, but totally worthless if youre looking for information on the 4gc and 2barrel carbs. Although rochester carburetors are primarily found on gm vehicles rochester is owned by general motors, they have been used by other manufacturers, too. Quadrajet rebuild instructions for qjet carburetors click the links below to view and download adobe acrobat pdf files for the specified carburetors.
Pdf a a l carburetor models 4mv4mcm4mem4m c service. 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. Detailed specifications and parts lists are here for 19801986 models. 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. Many manual transmissionequipped vehicles are missing the lower part of the throttle arm below, left. These numbers, 7 digits, indicate what engine the carb is from as well as manual or automatic transmissions, california emissions. My manual shows 2bbl and 4bbl rochester carbs, but none with a e. The numerical sequence may generally be followed to disassemble unit far enough to permit cleaning and inspection. Weve added a new easier to use version of the text of the service manual here. Supersedes 9d5 models 4mv4mcm4mem4m c dated may 1973. The rochester carburetor repair manual by haynes, will teach you how to maintain and fix your carb, and realize its full potential. Includes theory, diagrams, detailed specifications, tuneup data and complete overhaul procedures. So, a 4m is a quadrajet, and a 2m is a twobarrel dualjet. All carburetors are installed on our test engine prior to shipping.
Quadrajet manual pdf indica vista quadrajet manual pdf if a repair manual with adjustment specifications is available, refer to the. Rochester 4 barrel m4me carb car talk rochester 4 barrel m4me carb. The idle vent system is similar in operation to that used on other rochester carburetor models. If you are searched for the book e4me quadrajet carburetor manual in pdf form, in that case you come on to the faithful site. You will also find detailed service manuals for specific. It has been proven to be dependable and a versatile performer as witnessed by its broad application and usage since its first introduction in 1965. Some of the most soughtafter rochester carbs are the tri power carburetors that. The last passenger car version of the carb appeared as an ecmcontrolled carb in 1981. Holley 2300 carburetor rebuild manual from a 1962 repair manual. Rochester quadrajet technical information and history. How to rebuild a rochester quadrajet 4mv carburetor. During offidle and part throttle operation, fuel metering is accomplished with tapered metering rods operating in specially designed jets, positioned by a manifold. Rochester 4mv carburetor quadrajet the first gen site.
Modern demands for greater fuel economy and improved emission control have resulted in signifi. Quadrajet rebuild instructions for qjet carburetors. It has been proven to be dependable and a versatile. Jun 15, 2006 the rochester quadrajet carburetor was found perched atop the engine of many a classic gm performance vehicle. It is visible when the secondary throttle actuator is opened or the carb is held at an angle.
Jun 29, 20 this manual pdf download provides detailed service information, stepbystep repair instruction and maintenance specifications for rochester delco 4m, 4mc, 4mv quadrajet carburetor models. The rochester quadrajet is a four barrel, two stage carburetor of down draft design. This book provides some great technical drawings as well as an overview of the rebuild process. Because there are so many different combinations, we cannot possibly duplicate the vacuum signal. These files were scanned at a high resolution from the gm factory manuals.
Rochester quadrajet installation these instructions cover all quadrajets. This manual covers all rochester qjet carbs including the 4mv, m4mc, m4me, m4med, e4me and e4med. Although most quadrajet float levels are set at 38, the specification. Holley 1920, 1940, 1945, 2210, 2245, 5200, 5210, 5300 carburetor manual. Rochester quadrajet carburetor manual mikes carburetor parts. Carburetor rebuild kits, manuals, floats, chokes, choke pull the carburetor doctor has the worlds largest selection of new carburetor rebuild kits and parts for american carburetors in cars, trucks, marine and industrial. We presented utter variation of this book in doc, txt, djvu, pdf, epub forms. 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. The procedures recommended by rochester products division of general motors an d described in this service manual are effective methods of performing. Comprehensive factory service information for rochester quadrajet m4mc carburetors. The next letter, v, c, or e stands for the type of the chokes thermostatic coil. Quadrajet rebuild instructions for qjet carburetors cliffs.
September 25, 2005 a searchable pdf version of the service manual has been added here. They started making them in 1965 and ran threw 1974. Although the article specifically deals with the rochester quadrajet aka qjet, qjet, etc. Apr 28, 2016 when discussing quadrajet models, the number 4 means a fourbarrel carburetor. You will also find detailed service manuals for specific rochester carburetor types in. If there are any issues with the download process, contact the representatives of our customer support, and they will answer all your questions. When they say revised edition, the mean that they took out all of the 4gc and 2barrel technical information to save money by printing a quadrajet only book with fewer pages. Motorcraft 2100 4100 carburetor manual motorcraft 2700 7200 carburetor manual large file, but great manual. Free carburetor repair manuals mikes carburetor parts. Your guide to the most popular rochester carburetors. From street restoration to full race carb tuning, parts to quadrajet rebuild instructions, we have it.
Rebuilding a rochester quadrajet carburetor the first thing i bought was the book how to rebuild and modify rochester quadrajet i downloaded a copy of the delco service manual 9d5 pdf for quadrajet. The qjet is a very capable but often misunderstood carb. Rochester quadrajet carburetor manual rochester quadrajet carburetor manual pdf. Rochester quadrajet manual the old car manual project. Random related manual choke cable for rochester quadrajet. Dec 27, 2012 next, i downloaded a copy of the delco service manual 9d5 pdf for quadrajet carburetors from 1981. Ethanol blends in gasoline today are responsible for many fuel system issues and carburetor failures on older corvettes. Rochester carburetor models 4mc 4mv general exploded view the general design and parts shown will vary to individual units covered on this instruction sheet n1588 disassembly use exploded view as a guide. Replacement rochester quadrajet carburetors installation and troubleshooting guide 19681981 corvette thank you for choosing mid america motorworks for this high quality remanufactured rochester quadrajet carburetor. It has been proven to be dependable and a versatile performer as witnessed by its broad application and usage since its first introduc tion in 1965. The service procedures recommended by rochester products division and described in this. Quadrajet casting number chart cliffs high performance.
The rochester quadrajet, in its various forms and configurations, has been used by various gm divisions for various applications since the mid sixties. 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. Sep 25, 2005 this manual covers all rochester qjet carbs including the 4mv, m4mc, m4me, m4med, e4me and e4med. Problem condition possible cause correction cold starting engine cranks but will not start. Vent valve is located next to the throttle valve at the base of. Most rochester built qjets used a fournumber julian date code. Quadrajet carburetor 4mv4mcm4mem4mc service manual 9d5. Quadrajet carburetor 4mv4mcm4mem4mc service manual. With years of qjet experience and hundreds of satisfied customers, our carbs are track proven and dyno tested. The first three numbers are the day of the year the carburetor was built. Click on the thumbnails to view the fullsize images.