4L60E Racing Vacuum and Emissions

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

A real-world guide to 4L60 transmission specs, strength, and swap tips.

Overheating is a major cause of DNFs and damaged engines. We'll go beyond the cooling system for solutions to your overheating issues.

We look at the basics of performance carburetion and what you need to properly supply your street or race car with enough fuel in this buyer's guide