How to Identify a Turbo 350 or Turbo 400 Transmission?

Answer The General Motors TH 350, introduced in 1969, was developed by Chevrolet and Buick. It was used in GM cars and trucks through 1984 with small-block engines. The TH400 transmission was first used i... Read More »

Top Q&A For: How to Identify a Turbo 350 or Turbo 400 Transm...

How to Identify a Turbo 350C?

Hot rod enthusiasts can attest to the popularity of the Turbo 350 transmission. The TH350 (Turbo Hydromatic 350) was a transmission developed in a joint venture between Buick and Chevrolet in the l... Read More »

How to Tell a Turbo 350 Transmission?

The General Motors Turbo-Hydramatic 350 transmission was the workhorse of the GM V-8 fleet from 1969 until the late 1980s, when GM replaced it with the overdrive 700R4. One of the most common engin... Read More »

How to Tell a Turbo 400 Transmission?

The Turbo 400 transmission was first introduced in 1964 to power the larger GM brand cars. It delivered higher horsepower than many of its competitors, and as a result it was used in both tow truck... Read More »

What Comes in an Overhaul Kit for the 400 Turbo Transmission?

Buying a TH400 for performance use is similar to buying a pit bull for a seeing-eye dog; it may not have been bred specifically for the task, but with the right preparation, you can count on it to ... Read More »