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LS3 bottom end, what is it capable of handling power wise?

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Old 09-05-2008, 12:57 PM
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Default LS3 bottom end, what is it capable of handling power wise?

I'm looking at getting a G8 GXP with the LS3 motor, 6.2L with L92 heads. I'm wondering what is a safe margin of power for this motor? Is 650-700whp doable? I just dont want to blow the block up.

I'm looking at doing a turbo setup of some sort, unless a Supercharger would work for my goal and that would be simpler. I want to make the power the simplest way possible, I havent figured out how though. First step is to find out if my HP goal is to high for a stock block, or if I need to have it built. From what I have seen 650WHP give or take should be just fine on a turbo motor.

Any help appreciated. And since I'm learning if you have any literature I could look at please feel free to IM me or post here in this thread. Thanks
Old 09-05-2008, 02:38 PM
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I have always heard 550-ish whp is the max most go with little fear of a meltdown. Anything above that, don't be surprised if she pops.




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