The Chevrolet big-block is the workhorse racing engine of the muscle-car era. The 427 W first showed up midyear as a stroked 409 for the 1963 Chevrolet Impala SS. However, a year before, ...
Debuted at Daytona in early 1963, Chevrolet's big-block V8 was introduced to America as the Mark II "mystery motor. '' As a replacement for the division's venerable W-series 348 and 409 engines, the ...
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