Initially intended for use in mid-to-heavy-duty models like pickup trucks and large SUVs, the 4L80-E was based on the earlier TH400 transmission. The gearbox's name is really a simple code used to ...

Chevrolet Chevelle SS 468 Pro-Touring Restomod is the perfect blend of classic style and modern performance, featuring a GM ...

More particularly, it revolves around a heavily modified copy, which has received a twin-turbo conversion and many other modifications, including a TH400 transmission. It runs on 30 psi and, according ...

It's paired with a TH400 transmission and should be the original engine installed by Chevrolet in this Impala before it left the factory. However, you should inspect this thoroughly, especially as ...