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 ...

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 ...

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 ...