Help!!! Piston bore!!
Thread Starter
Joined: Aug 2007
Posts: 2
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From: Roanoke, Va, USA
Help!!! Piston bore!!
OK i need to find a website that would have the piston bore for a b16a2 (basic stock si motor) and also the CTR piston bore. The motor is at the machine shop and they are needing to kno asap so any help would nice right now!!! thanks 
Honda-Tech Member
Joined: Apr 2007
Posts: 2,528
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From: back woods, va, usa
u need to give the machine shop what ever piston your putting in so they can bore each cylinder to each piston cause sometimes the diameter of the piston varies a little. oem honda's are 25mm oversized while some after market knock offs are 20mm o/s, i think.
MiG-21 superfan
Joined: Mar 2001
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From: near the ocean, Moderator City, NJ
Re: (4g hatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 4g hatch »</TD></TR><TR><TD CLASS="quote">25mm oversized 20mm o/s, i think.</TD></TR></TABLE>
20mm! 25mm!!
that's a big *** overbore haha
i think you mean .25 ; )
anyway, he's right- the pistons need to be in the hands of the machine shop before they bore. you can't do it with specs alone. if they are boring without them, i'd be wary of the shop.
20mm! 25mm!!
that's a big *** overbore haha
i think you mean .25 ; )
anyway, he's right- the pistons need to be in the hands of the machine shop before they bore. you can't do it with specs alone. if they are boring without them, i'd be wary of the shop.
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