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Message: [QUOTE="sonic blue l, post: 1182411, member: 5185"] Well have my engine tore apart due to lifter failure, piston contact with valves so I decided to might as well put all new pistons in. Just curious if piston ceramic coating is worth it? Trying to gauge the worthiness on a daily driver if one is using international pistons. Same with the de lipping, if using ih pistons should one even bother? btw taper is .0005" so im not too concerned about that, but out of round is a bit at .0015". if memory serves the bore is 3.865" measured across the thrust angle, a .00015" max tighter across the non thrust. Its still in spec for out of round (spec is .002"). Debating if I should rebore, but I don't think I really have too. I guess it really depends on the replacement piston size as I think a ridged hone would take some of that out. That is if there is room to hone that much. when pistons are coated is it just the tops? Thanks. [/QUOTE]

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