Turbo 400 Torque Converter Identification

Turbo 400 Torque Converter Identification FAQ

How to identify a turbo 400 transmission?

The Turbo 400 transmission can be identified in the following ways: 1. External Build The TH400 transmission comes with a case made of cast aluminum alloy to give it strength and durability. The case is very smooth and its length sits at length of 24-3/8″ long.

When did you replace the torque converter on your th400?

The TH400 was rebuilt less than 200 miles ago in the burb and the torque converter was replaced at that time. Any input? You have discovered the difference in a stock TH350 and 400 converter..

How much torque does a turbo 400 have?

The TH400 is conservatively rated at 450 ft. lbs. of input torque. Aftermarket building techniques take it well past that figure. The Turbo 400 was introduced in 1964 in Buick and Cadillac cars and in Chevrolet and Oldsmobile cars the following year.

How many quarts of transmission fluid does a th400 take?

This transmission does vary in the amount of fluid required, based on certain specifications such as which torque converter is used. That being said, a common fill volume is between 11-12 quarts for a stock transmission. The TH400, or Turbo 400, transmission was a 3 speed automatic that was first produced in 1964.