During the 1960s and early 1970s, most American V8s were heavy and built simply, and the Pontiac SD-455 is no exception.
Despite its 370-horsepower rating from the factory, this old-school muscle car engine was capable of much more than that.
Morning Overview on MSN
The forgotten ’70s Buick turbo muscle car nobody dares to remember
Buick Motor Division engineer T. F. Wallace published a technical paper in 1978 describing a production-ready turbocharged 3.8-liter V6 designed to replace the division’s larger-displacement V8 ...
One of 16 built with three-speed manual, documented and fully restored to factory specifications.
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