The Rochester Quadrajet has a reputation as being a somewhat complex carburetor but for those who understand how to work and ...

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 ...

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. ⚙️ ...

There are several good reasons GM chose the Rochester four-barrel "Quadrajet" carburetor to fuel some of the best musclecars ever made. The Q-jet, as it has become known as over the years, is an ...