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Here's How The Chevy 454 V8 Compares To Pontiac's 455 V8
F amously featured under the hood of the 1970 Chevy Chevelle SS 454, the 454 V8 is a big-block engine that helped define the ...
Car and Driver6d
Six Education: Inside Porsche's Patent for a Six-Stroke Engine
From the January/February 2025 issue of Car and Driver. A patent for a six-stroke engine would normally go directly into our crackpot-engine file, but when the patent filer is Porsche, we feel ...