Generation III Internal Engine 1997-2006 LS1 | LS6

5.3 engine build

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Oct 18, 2009 | 05:24 PM

hotjohnnyls1

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5.3 engine build

hi i was wondering with this lm7 block if i could bore it out to fit a 3.917 in piston... would the block still be good to use at least a 250 shot of spray on??? thnks

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