SR20DET piston question "rebuild"

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billyblack1024
Posts: 6
Joined: Mon Sep 22, 2014 5:38 pm
Car: 1989 240sx

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Hey guys, I am in the process of rebuilding my SR, new cams, seals, bearings, rocker arms, the whole kit and caboodle. I have everything including the Pistons I found on CL. brand new in the box weisco Pistons, he just failed to mention prior to shipping that they were 86.5mm. Got them for a steal at $330 though!

My question is - should I just bore the block .5mm or try and sell these and buy 86mm?

Thanks'

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2_Liter_Turbo
Posts: 2674
Joined: Sat Jan 24, 2004 10:41 am
Car: _________________
'96 S14 Coupe: SR20VET
'90 R32 TH1 GTR: RB26DETT
'92 S13 Fastback: SR20DET
'11 V36 Sedan: VQ25HR
'06 GMT800 2500HD: LBZ Duramax
Location: DFW, Texas
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It would all depend on how your sleeves look IMO. If they just need a hone, I would stick with the 86mm. If they are pretty nasty, then I would get them bored over. It also depends on how much you can get for the pistons selling them "used" lol.
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