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Old Jun 8, 2010 | 09:02 PM
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so how much can a stock ls1 crank handle, i have to get mine checked out to see if its repairable after a spun rod bearing, but im going turbo build, so how much can it handle.
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Old Jun 8, 2010 | 09:03 PM
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just wondering, also how about the main bolts, im thinking doing arp bolts.
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Old Jun 8, 2010 | 09:22 PM
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As far as I have seen people say 1000hp on the crank but I can't say that is for sure.
At least 700+ I'm sure someone will come in that has a better Idea.
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Old Jun 8, 2010 | 09:27 PM
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There have been more than a few to see 1000hp.They are deff safe to 750-800hp.

Last edited by djsanchez2; Jun 8, 2010 at 09:33 PM.
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Old Jun 8, 2010 | 09:47 PM
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ya thanks guys, i just need to know for sure. il be safe then. i was thinking a goal of 500-600. i will put in arp main bolts to hold it in real good too just in case.
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Old Jun 8, 2010 | 09:55 PM
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Oh man 600 will be a breeze for the stock crank, the whole stock bottom end will do 500whp as it is.

Build a 347, just toss in con rods and pistons and your set. Do the 2000 arp upgrade for the rods in case you ever want to raise the boost for more power.
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Old Jun 8, 2010 | 09:59 PM
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Am running a stock crank, stock rods, stock pistons and 98K+ miles and a 150 shot look at my sig, and its through an A4 500+ and 600+ hp on a stock crank is nothing.
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Old Jun 8, 2010 | 10:06 PM
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Originally Posted by izzman55
ya thanks guys, i just need to know for sure. il be safe then. i was thinking a goal of 500-600. i will put in arp main bolts to hold it in real good too just in case.
Stud the mains, and have the caps align honed and you'll be fine.
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Old Jun 8, 2010 | 10:19 PM
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ok great, so should i mark where each bolt goes so i put them back exactly where they go then? the mains are the ones without the caps obviously have the cap on top? im very new so thats why i ask. is it expensive to have them hone aligned? and what is the process of doing that.
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