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safcjo · 29th August 2014, 09:58 PM

thinking about a forge rebuild
would it be cost effective to rebore the lump while its in bits and what size pistons would give what cc
are the oversized pistons and rods much more expensive than standard sized forged ones?

Jags · 29th August 2014, 10:03 PM

Why do you want to go oversize? I'd only want to go oversized if the bore was damaged or scratched and a larger piston was required. Stay 86mm if you can.

goldgtr35 · 29th August 2014, 10:11 PM

Quote:

Originally Posted by Jags

Why do you want to go oversize? I'd only want to go oversized if the bore was damaged or scratched and a larger piston was required. Stay 86mm if you can.

As above, Unless stripped and you find scoring ,i would leave well alone

Goldie

29th August 2014, 09:58 PM	#1 (permalink)
safcjo safcjo is there are fast cars then theres GT-Rs GTR.co.uk seasoned Member Join Date: Jul 2006 Posts: 167	what size for rebored engine thinking about a forge rebuild would it be cost effective to rebore the lump while its in bits and what size pistons would give what cc are the oversized pistons and rods much more expensive than standard sized forged ones? __________________

29th August 2014, 10:03 PM	#2 (permalink)
Jags Jags is unaware they can edit their status GTR.co.uk seasoned Member Join Date: May 2007 Posts: 3,598	Why do you want to go oversize? I'd only want to go oversized if the bore was damaged or scratched and a larger piston was required. Stay 86mm if you can. __________________ We produced with spartan air

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