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B18B compression ratio help please! 1800 1965

posted by  erik1463 on  Tue Nov 17 19:05 CST 2015
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i did not know such a thing existed, to check that i would have to measure wrist pin height , correct? That is the distance from pin center to top of piston and check that against factory specs. The pistons are marked Std. and .04 so i believe they are a standard piston just .040 over. I can certainly check though. I am still puzzled by the large volume of my combustion chambers on a non ported factory high compression head. I am going to pop in my new valves when they arrive and measure with a 50cc burete next time i cc the chambers. Thanks for the tip!






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