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Thread: boreing LQ9
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11-04-2009, 04:10 PM #1
- Join Date
- Oct 2009
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red- 99 camaro
boreing LQ9
Hi guys id like 2 no whats the most u can bore a LQ9 and if u go .30 over what will the comp ratio be with all stock internals and stock head gaskets just bored .30 and also a LQ9 is a 364 stock what size will it be .30 over
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11-04-2009, 04:42 PM #2
I know people make them into 408's.
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11-04-2009, 06:12 PM #3
- Join Date
- Oct 2009
- Location
- LA
- Posts
- 8
red- 99 camaro
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11-04-2009, 06:31 PM #4
You cant use stock pistons if your boring it .030 over. .030 over seems to be the norm people will bore those blocks out to. But the true way to know is paying to have the block sonic tested. A 364 bored .030 over would be a 370. Throw a 4" crank and have a 408ci. With no change in bore, it would be a 402.
4" bore x 4" crank = 402
4" bore x 4" crank + .030 over = 408
BTW, its .030" not .30"
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