Learn how to rebuild and modify the GM 4L80E transmission! As the successor to the venerable and popular Turbo Hydra-matic 400 (TH400), the 4L80E was the next f
Although not quite the stout heavy-duty performer as its big brother, the Turbo 400, the Turbo 350 transmission is a fine, durable, capable, and when modified,
Introduced in 2006, the 6L80 has become the most popular General Motors transmission in production today. Millions are on roads around the world, and the 6L ser
This new color edition is essential for the enthusiast who wants to get the most performance out of this new engine design but is only familiar with the older C