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 ...

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 ...

It seems that the Rochester Quadrajet is a popular hobbyist choice for Pontiacs that are regularly street-driven. Not only is the carburetor well known for its excellent balance of low-speed throttle ...

"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 ...