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Thread: How much to bore?
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07-29-2009, 06:43 PM #1Junior Member
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- Sep 2006
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Silver- 02 Trans Am WS6
How much to bore?
I was wondering what GM reccommend for the maximum overbore on the LS2 and LS3 blocks?
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08-03-2009, 07:15 PM #2Junior Member
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Red- 1998 Camaro Z28
20 thousandths. or .020 I had an LS2 block bored .020 over and then i bought some GM oversized pistons from GMpartsdirect
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08-04-2009, 08:51 AM #3Veteran
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Black- 1999 TA WS.6
Sonic testing is the only way to know how much you can safely remove. .020" would be fine, but it sure wouldnt hurt to check it out if wanting to go more.
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