what pistons??

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07-30-2008, 06:56 AM

slowjoe99

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what pistons??

I will hopefully be switching from a stock ls1 short block to a LQ9 408. I have CNC ported LS6 heads and an MS3 cam. Will I need to do anything to my heads for swapping in the short block??????????? It will be a 4.030 bore and 4.00 stroke.

Last edited by slowjoe99; 08-05-2008 at 09:10 AM.

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07-30-2008, 09:09 AM

99blancoSS

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It will be a 4.030 bore. It would be nice if you could open them up a little more and put bigger valves in them but they will work fine the way they are.