LD5
From GM Wiki
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Description
In 1978, GM began to market the 231 as the 3.8 liter as metric engine sizes became common in the United States. The RPO Code was LD5, though California-emissions versions were called LC6. Starting in 1979, the engine was used in the Front Wheel Drive Buick Riviera, though still with a Longitudinal mounting. Larger valves and better intake and exhaust boosted the power output for 1979. A turbocharged version was introduced as the pace car at the 1976 Indianapolis 500, and a production turbo arrived in 1978. The turbo 3.8 received Sequential Fuel Injection in 1984.
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Applications
The Turbo 3.8 was used in the following vehicles:
- 1978-1987 Buick Regal Sport Coupe, T Type and Grand National
- 1978-1980 Buick LeSabre Sport Coupe
- 1979-1980 Buick Century Turbo Coupe
- 1979-1985 Buick Riviera S Type and T Type
- 1980-1981 Chevrolet Monte Carlo
- 1989 Pontiac Trans Am Turbo
