D15, D16, D17 and Mini-Me swaps
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By -paul
#251787 I've been cleaning my block and I've also been cleaning up the surface of pistons 1 and 4. I've since noticed that on threads where people clean their block (ready for new head gasket or something) they leave the pistons untouched?

Am I doing the right thing by also cleaning the piston surfaces?
By AutoXCivic
#251946 Shouldn't be a problem.
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By d-mon
#251960 dosen't matter, the carbon will be back soon.
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By honda power
#251961 i always do just make sure you dont put any big scratches or ding em up