There are few things in the world of high-performance cars that are truly reliable. One would have to be the GM TH400 automatic. As durable as this three-speed juicebox is, there is still room for ...

Automatic transmissions are mysterious things, aren't they? They somehow take mechanical power from the engine, multiply it via a fluid coupling and a series of gears, and transfer it onto the drive ...

Sooner or later, these hard shifts and high-rpm clutch dumps take their toll on the internals of a transmission--and this is where Joe and Amber Huneycutt from T56Rebuilds.com step in. We got an ...

GM Canada recently donated a lot of twelve automatic transmissions for the Chevy Equinox crossover to the automotive tech department at Niagara College, where they’ll be used by students and ...

GM is ending its long tradition of Allison transmissions in its HD pickups, but the Silverado MD still features a true Allison transmission. This 2026 Chevy Silverado 6500 will still have an Allison ...

The General Motors 8L family of transmissions has been in service since 2014, gradually replacing older 6L six-speed units across much of the company's lineup. The bigger 8L90 was the first GM 8-speed ...

Sitting proudly in the inventory of Grand Rapids, Michigan-based Garage Kept Motors, this 1967 Chevrolet Chevelle Two-Door Sport Coupe won't make anyone feel blue about its fate because it’s a great ...