My m20b20 piston groove gaps are just out of specs smoked right after new rings.
Now thinking of upgrade so i found an old version of the m20 in the junk but couldn't know what it is above the oil pan is engine id number (see pic) above the oil tube writen 85 it has old style intake and it is injection not carb, could it be 85mm bore ? I havn't heard of 85mm m20 bore from factory, need help knowing which m20 is this?
Thanks guys
Now thinking of upgrade so i found an old version of the m20 in the junk but couldn't know what it is above the oil pan is engine id number (see pic) above the oil tube writen 85 it has old style intake and it is injection not carb, could it be 85mm bore ? I havn't heard of 85mm m20 bore from factory, need help knowing which m20 is this?
Thanks guys
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