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 »

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How to Tell the Difference Between a Turbo 350 & a Turbo 400?

The turbo 350 and turbo 400 are GM transmissions that were used from 1969 through 1979 for the TH-350 and 1964 through 1990 for the TH-400. The TH-350 was a low-torque transmission that was used in... Read More »

Differences Between a Turbo & a Non-Turbo ECU 300ZX?

Electronic control units (ECUs) are designed to have complete control of the engine. All sensor data goes to the ECU and the ECU makes adjustments to the engine accordingly. Each ECU is different, ... Read More »

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 Remove a Turbo 350 Transmission?

The Turbo-Hydromatic 350 transmission was widely used throughout the General Motors vehicle line in the 1960s and into the 1970s. Unlike its predecessor, the Turbo 350 was equipped with three forwa... Read More »