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What will the 6.0l truck heads drop a stock ls1 compression to?

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Old 08-04-2006, 03:29 PM
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Default What will the 6.0l truck heads drop a stock ls1 compression to?
any info would be great thanks.
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Old 08-04-2006, 03:40 PM
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Have heard somewhere in the 9.5:1 range.
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Old 08-04-2006, 03:46 PM
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Yep, about 9.5-9.6:1,
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Old 08-04-2006, 03:47 PM
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I've heard of people a little thicker head gasket and running around 9.3:1...
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Old 08-04-2006, 04:25 PM
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coo thanks guys
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Old 08-04-2006, 05:14 PM
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sounds good and how many pounds can u then run of boost?on a t70?pump gas?
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Old 08-04-2006, 09:18 PM
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with them heads would it be ok for 8-10 psi on stock bottom?
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Old 08-04-2006, 09:55 PM
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I think the drop in compression and increase in flow may be good for 2-3 extra psi. The compression drop isn't really enough to crank the boost up real high. If I were to build a turbo engine I would target compression about 8.5:1
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Old 08-06-2006, 01:02 AM
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how much would you have to port stock heads to be in the 9ish range?
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Old 08-12-2006, 02:15 AM
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72 cc
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Old 08-13-2006, 07:22 PM
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question 9;5 piston plus 72cc unmilled heads will net what compression??
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