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LS6 Bottomend Safe Limit

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Old Oct 5, 2006 | 12:22 PM
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Default LS6 Bottomend Safe Limit

What would be a safe limit for the stock bottomend on an LS6...

Looking to add a twin turbo TTI, change the head to lower CR to around 9.5-9.8cr. What would be a safe rwhp limit??
Old Oct 5, 2006 | 01:23 PM
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How many miles on that bottom end?

From personal experience, I can tell you that my ~80k mile LS1 that held 400 rwhp on high compression heads couldn't hold up to turbo FI on a reduced-compression setup. Hello, blowby and crankcase pressure.

Select your target power, and give it a shot. Just be prepared to rebuild.
Old Oct 5, 2006 | 02:19 PM
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Motor has 11K...
Old Oct 5, 2006 | 02:42 PM
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easily 500RWHP-550RWHP with a GOOD tune, thast my plan
Old Oct 5, 2006 | 03:28 PM
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