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Old 02-09-2020, 05:08 PM   #1
Big Biscuits
 
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Drives: 2010 1SS LS3
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LY6 Stroker Build

I have been reading where the stock ls3 block is the weak link in builds over 1000 hp. I found a ly6 pullout on the cheap and want to build a 402/404 out of it with a hone and 4” crank. Will the ly6 hold up to more abuse than the ls3 block? I am wanting to build it with 10-11:1 cr with 15-20 psi. Anybody taken this route?
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Old 02-09-2020, 06:10 PM   #2
Greenhornet2

 
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I think they do, i know guys do ls2 builds for block strength. This is worth a read https://www.onallcylinders.com/2018/...e-performance/
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Old 02-09-2020, 06:32 PM   #3
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I was thinking it would be just like the lq4/lq9 in the gen 3. Block is the old part I will keep. Maybe the covers.
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