How much compression should a 351W have?
How much compression should a 351W have? This reference and others outline a compression test result which should be within 15 to 20 times the engine's compression ratio for a stock street engine. A Ford windsor 302 with a compression of 8.4 = 126 to 168 psi. Ford 351 with a compression ratio of 8.3 = 125 to 166 psi. When did the Ford 351 engine come out? 351 Windsor Engine Specs. The 351 Windsor engine was produced by Ford and had a long reign, beginning in the 1960s, and although not commercially available, it is still used by many...