how big can i go on stock sleeves

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Sep 4, 2009 | 02:55 PM

EGandDArida

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From: M city, NY, US

how big can i go on stock sleeves

will im building my lsv and i have a b18b block and i want to go with bigger pistons how big can i go and be safe

Sep 5, 2009 | 09:20 AM

Bonesaw

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Re: how big can i go on stock sleeves

on stock sleeves? stock. Its not recommended to bore out the stock sleeves at all, if you want bigger pistons you should sleeve the block.

Sep 5, 2009 | 10:39 AM

seldon

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From: N/A

Re: how big can i go on stock sleeves

wrong, you can safely bore it to 82mm

Sep 5, 2009 | 12:29 PM

Schister66

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Joined: Sep 2005

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From: Phoenix, AZ

Re: how big can i go on stock sleeves

You can overbore to 81.5mm for a boosted application and as far as an 82mm for an NA setup

Sep 5, 2009 | 02:32 PM

Ricextacy

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From: San Jose, CA, USA

Re: how big can i go on stock sleeves

nahh. 81.25, honda only sells .25 O.S. pistons and rings...they have .25 over only for a reason.

Sep 5, 2009 | 03:02 PM

racebum

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From: Oregon

Re: how big can i go on stock sleeves

Quote:

Originally Posted by Ricextacy

nahh. 81.25, honda only sells .25 O.S. pistons and rings...they have .25 over only for a reason.

this will wind up in someones sig before long

Sep 5, 2009 | 03:10 PM

EGandDArida

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From: M city, NY, US

Re: how big can i go on stock sleeves

so 82mm is good I'm going all motor looking to go with 11:5 pistons. so would you recommend a block guard to be safe

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Sep 5, 2009 | 04:22 PM

racebum

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From: Oregon

Re: how big can i go on stock sleeves

Quote:

Originally Posted by EGandDArida

so 82mm is good I'm going all motor looking to go with 11:5 pistons. so would you recommend a block guard to be safe

reduces cooling but helps with cylinder walk. they are not often used on NA builds. by the way there is no such thing as an 11:5-1 piston.l without the head cc and head gasket thickness it's a shot in the dark

Sep 5, 2009 | 04:40 PM

Ruben19

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From: Panama, Panama

Re: how big can i go on stock sleeves

i used a block guard.
useless for N/A

Sep 5, 2009 | 04:51 PM

#10

EGandDArida

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From: M city, NY, US

Re: how big can i go on stock sleeves

ok good to know not spending money on something i dont need

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