Turbo Techniques?

Answer Some automotive Luddites will tell you that turbochargers aren't the single greatest power adder known to man. And you should listen to them, if only so that you can mentally record what someone so... Read More »

Top Q&A For: Turbo Techniques

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 350 or Turbo 400 Transmission?

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 »

Is the Chevy 350 turbo the same as a 400 turbo?

No. The internal design of the TH400 is for heavy-duty use in GM trucks, high-performance and heavy passenger cars. The TH350 is for standard-duty applications. Also, there are case differences bet... Read More »