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+--- Thread: Effective Compression Ratio, MC90? (/showthread.php?tid=2304)
Effective Compression Ratio, MC90? - Kurt Bogerman - 07-16-2018
I hate asking lazy questions, but I'm away from home, contemplating the ideal fuel specifications for a stock MC90. Does anyone know what the effective compression ratio is (based on the exhaust port height, rather than the total stroke) for the MC90 or its close cousins?
Thanks,
Kurt