![](https://tcraonline.com/wp-content/uploads/2021/01/2021-january-newsletter-e1621548426359.jpeg)
2021 January Newsletter
January 27, 2021![](https://tcraonline.com/wp-content/uploads/2021/03/2021-march-newsletter-header.jpg)
2021 March Newsletter
March 30, 2021Introduced in the 2015 model year; the 8L90 is used in many of General Motors full size vehicles as a replacement for the 6L80. The torque…
Introduced in the 2015 model year; the 8L90 is used in many of General Motors full size vehicles as a replacement for the 6L80. The torque…