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slightly old post, but i'm also in the middle of freshening up my d15z1. the parts list is a bit massive but i'm hoping to have this thing factory fresh once i'm done.
i will definitely be replacing the main and rod bearings (the rod bearings are probably the only ones that really could be replaced but might as well do both)
right now i'm debating on how to do the whole piston ring replacement. i've been told npr piston rings are good stuff. but also curious if i should do a rehone on the cylinder walls? the motor was in perfect running order when pulled just 200k miles of regular wear and tear.
so the main question is, SHOULD i hone the cylinders if they look okay? or should honing be done every time the piston rings are replaced?
here's a link to my build thread on honda-tech
honda-tech.com/showthread.php?t=3041989&p=49928990
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