Basic Troubleshooting

A basic troubleshooting chart for solving a carburetor related problem.
Basic Troubleshooting

Smog Troubleshooting

The complete chart of smog problems and California Smog Law.
Smog Troubleshooting

Installation Instructions

Simple and easy instructions for successfully installing your carburetor.
Installation Instructions

Idle Adjustment Instructions

Once your carburetor is installed, consult this to set your idle mixture.
Idle Adjustment Instructions

Shaft Clearance Facts

Find out the truth about throttle shaft clearances and the myth of spraying carb cleaner.
Shaft Clearance Facts

Q-jet OEM Numbers

An invaluable resource for decoding the information in the OEM number on your Rochester Quadra-jet carb.
Q-jet OEM Numbers