There is a reason Holley and Demon carburetors are widely considered among the best high-performance carburetors available. They are designed to make optimum power, easy to adjust, and relatively ...

"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 ...

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. ⚙️ ...

If there were a category titled Good Carb, Bad Reputation, the Rochester Quadrajet would be at the top of that hit parade. It's doubtful there is a domestic fuel mixer more universally misunderstood ...