Drivetrain 101

The General Motors 6L80-E & 6L90-E transmissions are among the most diverse and capable transmissions of their time; being used in everything from exciting muscle cars to family SUV’s. In this Drivetrain 101, we’ll analyze all of its most prolific problems, solutions and upgrades. Become a 6L80-E and 6L90-E expert now!

Our in-house engineering department is here to answer the toughest questions and make sure these vehicles are as reliable as they have the potential to be. Still have questions? Give us a call and let us help!

If you own an AS66RC transmission, do not fret. This transmission has the capacity for excellent longevity, frankly in excess of almost any other direct competitor when built properly. They also capacitate massive power levels once appropriately built for the application. 

As the executive choice in high quality and proprietary 68RFE transmissions, rebuild kits and parts, we’re often pelted with questions about it’s numerous problems and how to prevent them. As a result, it became evident that this popular and often problematic transmission needed it’s own installment in our educational Drivetrain 101 section.