From the postwar era to the mid-'80s, General Motors' Rochester Division defined carburetor performance. Rochester also developed the mechanical fuel injection systems found on '57-'59 full-size ...

In this age of computerized fuel injection systems, many people have written off carburetors as relics of a bygone era. Lacking the array of electronic sensors that allows fuel injection to more ...

The Rochester Quadrajet was last installed onto a Pontiac engine during the '81 model year, and most of those used during the final years of production were computer assisted. So it's unlikely that ...

The Quadrajet by GM's Rochester Products Division is arguably the most popular carburetor ever produced. Introduced with Chevrolet's new 396ci big-block for '65 and widely used by all GM divisions ...

"Quadrabog," "Quadrajunk," and a host of other time proven nicknames define GM's most notorious four-barrel carburetor. Enthusiasts either love it or hate it. However, the Quadrajet is easily the most ...

Watch us rebuild a Rochester Quadrajet carburetor on a 1970 Chevy C30 using the original fuel system. This restoration demonstrates proper disassembly, cleaning, rebuilding, and tuning techniques. ⚙️ ...