gazza g Posted June 29, 2015 Share Posted June 29, 2015 Hi what kind of compression should I be looking at on my forged engine? Trying to pin point a misfire so whilst changing plugs I did a test, -all sat around 200 psi but when a wet test performed it hit 250 psi? This to me is very high, I thought forged engines ran 150ish psi low compression Tests were done on a hot engine Quote Link to post Share on other sites
AdamB Posted June 29, 2015 Share Posted June 29, 2015 Depends on the spec of the engine, who built it etc. Most forged engines should read about 150-180 really depending on spec. 250 seems a bit high even for a wet test with such low compression motors even stock. Quote Link to post Share on other sites
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