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 ...

Sean Murphy of SMI (Sean Murphy Induction) is one of the few carburetor builders and tuners around who is still trying to advance the art of racing with a Quadrajet. We recently spent some time with ...

The Rochester Quadrajet has a reputation as being a somewhat complex carburetor but for those who understand how to work and tune them, they are really a very good carburetor. We’ll offer a couple of ...

Aren’t barn and garage finds wonderful? A diamond in the rough sitting there lost to another time. The good news is you found them and you have an opportunity to have a lifetime’s experience. Two ...

For those who prefer to run your street engines with a Rochester Quadrajet, here are a couple of tips that can very useful. It’s common knowledge that the secondary metering rods determine the jetting ...

Until throttle body fuel injection started taking over in the 1980s, if you had a General Motors product with a V-8 engine, you could just about guarantee a Quadrajet manufactured by Rochester would ...