It's no secret among hobbyists that ethanol-blended gasoline can compromise the fuel system in older vehicles, and the rubber seals within the carburetor are generally the first casualties. To avert ...

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 ...

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 ...

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. ⚙️ ...