Tag: transmission repair

The Turbo 400 transmission, also known as the TH400, is one of the most legendary and durable automatic transmissions ever produced. Introduced by General Motors (GM) in the 1960s, it has become a staple in the automotive industry, known for its robustness, reliability, and adaptability in both high-performance and heavy-duty applications. This article delves into the history of the Turbo 400, exploring its origins, technical advancements, and enduring legacy.

The Turbo 400 transmission was developed by GM’s Hydramatic Division and was introduced in 1964. The goal was to create a heavy-duty automatic transmission capable of handling the high torque output of the increasingly powerful V8 engines of the era. GM had already experienced success with the earlier Hydra-Matic and Powerglide transmissions, but the Turbo 400 was designed to surpass them in terms of strength and versatility.

Upon its release, the Turbo 400 quickly became the go-to transmission for many of GM’s [...]