The Quadrajet is a four barrel carburetor, made by the Rochester Products Division of General Motors . Its first application was the new-for-1965 Chevy 396ci engine.
Who makes quadrajet carburetor?
The Quadrajet is a four barrel carburetor, made by the Rochester Products Division of General Motors . Its first application was the new-for-1965 Chevy 396ci engine.
Does Edelbrock make quadrajet?
Edelbrock.com: New Carburetors – Quadrajet Rebuild Kit Jet Spacer Hose Pump.
Are Rochester Quadrajet carburetors any good?
A lot of good and bad has been written about the use of a Rochester Quadrajet carburetor as a replacement four-barrel. Some enthusiasts love them while others avoid them like the plague. The truth is, a properly tuned Quadrajet can be just as efficient and reliable as a bolt-on substitute performance carburetor.
Are Rochester carburetors still made?
In 1995 Rochester became part of Delphi, which in turn became a separate company four years later, and continues to manufacture fuel injection systems in Rochester, now part of General Motors Automotive Components Holdings- Rochester Operations.
How many CFM is quadrajet?
Quadrajets can range anywhere in between 600 and 800 CFM . Most are rated 750 CFM or higher. Quadrajets are used by many GM street car enthusiasts; however, they are also disliked by just about as many.
How do I identify a Quadrajet carburetor?
All Rochester Quadrajet carburetors are identified by a seven- or eight-digit GM part number . On units made before mid-1968, the part number was stamped around the outside edge of a round metal tag attached to the fuel bowl.
What can replace a Quadrajet?
Holley/MSD is thrilled to announce the release of Sniper EFI Systems for Quadrajet applications, which eliminate the need to continually rebuild 50-plus-year-old Quadrajet carburetors on classic Chevys, Pontiacs, Buicks, Oldsmobiles, and GMCs.
Is Carter carburetor still in business?
Carter Carburetor Company in St. Louis, Missouri, was established in 1909, and ceased operation in 1985. It was founded by William Carter, who started experimenting with automotive carburetors while running a successful bicycle shop.
What is a spread bore intake?
Spread Bore Intakes
Spread bore carburetors have 2 small venturis up front that are the primaries and 2 larger secondaries on the rear of the carb. Spread bore intake manifolds match that shape to accomodate the larger venturis toward the back .
Is a quadrajet worth rebuilding?
Yes, They Are Worth It .
How many CFM is a Rochester 2 barrel?
Carb Sizes and CFM
The cfm (cubic feet per minute-a measure of how much air the carburetor can flow) on the Rochester 2G ranges from about 225 cfm in the smallest applications up to what Rochester calls a 435 cfm.
How big is a quadrajet?
Two basic sizes of Quadrajet were produced over the years; 750 and 800 CFM versions .
Where are Rochester carburetors made?
| Location: 1000 Lexington Avenue Rochester, New York . 14606 United States | Year Opened: 1939 | Facility Size: 1.78 million sq. ft. on 97 acres |
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How tall is a quadrajet carb?
Two said the height was around 3-3/8′′ and the post above at 3-1/4′′. The gasket that was originally on the bottom of the carb may have been pretty thick. A couple of sources noted it was 0.250′′ or 1/4′′ thick. The cowl induction spacer is 1-7/8′′ tall.
