When did the GM Turbo 400 come out?

Turbo 400 Phase-Out. Smaller engines in passenger cars following the 1973 and 1978 gasoline shortages prompted the development of the Hydramatic 700R4 and 200-4R in passenger cars and Chevy and GMC pickup trucks. The Turbo 400 formally died in 1986 when it was renamed the 3L80.

What kind of engine does a Chevy 454 have?

The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was a brawny gas-guzzling powerplant that should have died an ignoble death after the 1973 fuel crisis. Yet it survived to become a workhorse and father of the 8.1-liter 8100 Vortec V-8. Its uniqueness was in its versatility.

Where can I find a Turbo Hydramatic 400 transmission?

The Turbo-Hydramatic 400 (TH400) automatic transmission can be found behind large, powerful engines on Chevrolet and GM cars and trucks from the factory, as well as Jeep, Cadillac, Oldsmobile and many others. While the unit is indeed one of the stoutest of its kind, trouble can still occur.

What’s the difference between the GM Turbo 350 and 400?

The Turbo 400 features 2.48 to 1.00 in first; 1.48 to 1.00 in second; direct drive in third; and 2.07 to 1.00 in reverse, according to 4wheeloffroad.com and jeeptech.com. The Turbo 350 shares many of the same components, including the torque converter, as the Turbo 400 and the Buick Super Turbine Powerglide.

When did Chevy stop making the 454 engine?

Unfortunately the Chevy 454 was the right engine at the wrong time. Uncle Sam started to tighten down on emission controls in 1971 which affected a lot of the power of the 454. Another big blow for the 454 was the gas crisis of 1973 which pretty much sealed the fate for the motor during this period.