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Old 04-06-2009, 01:22 PM   #3
formula447
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Default Re: LS series, 6.0 iron block overbore allowance

.30 over on a Cast Iron LS Truck block is fine.We make over 700 NA Flywheel Horse on one and have never had a problem.

.30 over(4.030) with a 4" Stroke Crank is the Common 408" Combo that just about all LS Builders Sell.

Ray T
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