GM's 1981 and later performance cars were equipped with seemingly complex E4M or E4ME electronically controlled feedback Quadrajet carburetors using the Computer Command Control system. Popular ...

"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 ...

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 ...

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 ...