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May 22, 2009 | 04:34 PM

BoostJunkieXL

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From: Lake Jackson, Tx

Stupid Questions...

I'm trying to decide on pistons for a motor I'm about to build. Most likely going with Diamond, but I'm dumb....what is the stock bore size of the LS1??

May 22, 2009 | 04:37 PM

NemeSS

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From: Houston,TX

3.897

May 22, 2009 | 04:39 PM

BoostJunkieXL

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From: Lake Jackson, Tx

The Diamond Pistons Website shows the smallest bore to be 3.905...will this work??

May 22, 2009 | 04:41 PM

hardrock21

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From: Springfield, MO

Quote:

Originally Posted by BoostJunkieXL

The Diamond Pistons Website shows the smallest bore to be 3.905...will this work??

Stock bore is 3.898 so you will have to bore or hone .007

May 22, 2009 | 04:47 PM

BoostJunkieXL

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From: Lake Jackson, Tx

Ok so if I'm running 64cc heads and nitrous...what would be the optimal Compression ratio?

May 22, 2009 | 04:53 PM

PREDATOR-Z

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From: BFE

That would depend on your cam and fuel used and of course the work done on your heads.

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