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Ls-7 compression

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Old Aug 15, 2009 | 11:32 AM
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Default Ls-7 compression

Whats your guys opinion on compression selection for a disc powered LS-7. Would you go high with less boost or low high boost combo.The car is 3700lbs with a 6 speed .I was hoping to get 7oo to 800 rwhp . Is this possible with the stock heads and cam? I guess meth would be a good idea as well.Any input on this would be greatly appreciated. I am chomping at the bit to get going on this. Thanks
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Old Aug 15, 2009 | 02:01 PM
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I am in the same situation. I am leaning toward high compression and low boost, something around 5-7 pounds. I know of people running around 11:1 making almost 700 hp with stock bottom end.
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Old Aug 17, 2009 | 04:51 PM
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Low compression with high boost will be easier to tune etc. No reason to go with high compression if you have the choice i.e. don't already own the motor.
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