The Quadrajet by GM's Rochester Products Division is arguably the most popular carburetor ever produced. Introduced with Chevrolet's new 396ci big-block for '65 and widely used by all GM divisions ...

The four-barrel Rochester Quadrajet can be stripped and kit-built in less than an hour—and for less than $10 Just as with almost every other engine component, carburetors do suffer the pangs of age ...

CHP's as-yet unnamed project '74 Z28 is topped with a Q-jet, and we decided to yank the old mixer off and get it back into shape for service on whatever hot little small-block we decide to drop into ...

Acertain chevy 350 engine in one of our old project trucks started having issues that seemed to be pointing to the carburetor as a culprit. On cold start-ups the truck would idle high like it should ...