Guest beandip Posted January 15, 2003 Share Posted January 15, 2003 I recently bought a L-28 that has I was told had frorged pistons. I pull the head and found the pistons are spamped P86 50 does this mean any thing to anyone? The engine is running a triple mikuni setup and headers and electronic ignition. the Cam is supposed to be a shinider, or something like that spelling, the compression was 210 all across . The reason I pulled the head is that the cam drive spoket came loose while I was driving about 1500 RPM and bent some valves. I am trying to identify the pistons. they have a raised portion about the size of a silver dollar. Quote Link to comment Share on other sites More sharing options...
Guest Zcarsmakemyheadhurt Posted January 21, 2003 Share Posted January 21, 2003 Its a .50 oversize piston. Quote Link to comment Share on other sites More sharing options...
M.Creer Posted April 4, 2009 Share Posted April 4, 2009 Are they good? Would I have to modify my motor to use those? Quote Link to comment Share on other sites More sharing options...
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