Thread: Need our engine experts to help me out.

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yep jerry i fixed pistons like to to many times nothing like seeing black death in the pin bores from to tight lack of oil ... i have guys from FL send me up there parts and engine to fix that kind of dip $hit stuff .as for the bores, break the bottom of the bores with the flap wheel on a air grinder stuff rags in the cam bearings so not hot stuff gets stuck in them if you can hang your finger nail s in the marks in the bore s you may want to hone them bores out with a hone with stones or a ball hone you may never get them you with out making the bore way big .did you use file fit rings ? what happens don with the 12 and 6 is some of the metal hanging off the bores gets inbeded in the skirts an cut in the walls will show up on the skirts as shinny small marks on the skirts you need to pick all of them out of the skirts