LT1-LT4 Modifications 1993-97 Gen II Small Block V8

2 bolt mains, how far can i go?

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Old 03-09-2008, 03:33 PM
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Default 2 bolt mains, how far can i go?

so im building a 383 stroker, eagle 4340 crank, h beam rods, and srp forged pistons.. which should be bullet proof.. but my block is a 2 bolt main.. im wondering how much hp can i make, without pushing the crank out? im pretty confident that it will make 400+hp n/a, and i plan on spraying 2 stages of nitrous adding up to 300.. i am pretty well tapped out fund wise, and i can't afford the splayed main caps.. for that matter i cant afford to do any thing about it a this point..
Old 03-09-2008, 03:41 PM
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400RW N/A should be no problem I would add the four bolt billet caps for the juice Stock caps are going to want to walk at that level.

If you can't afford it now you really wont be able to afford it when you spin a main bearing
Old 03-09-2008, 03:58 PM
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youll be ok n/a but you should save up and do it right, 2bolts wont hold that kinda juice
Old 03-09-2008, 04:00 PM
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Do you really want to do it twice and spend twice the money? When my motor blows up, it might cost alot, but at least it will hopefully be done once.
Old 03-09-2008, 05:12 PM
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Do it right the first time...
Old 03-09-2008, 05:38 PM
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Hasent anyone run turbo/supercharged LT1/Gen 1 350 2 bolt main up to 700rwhp. Is it just because of the large amount of nitrous that a bearing will spin? I was hoping to be able to do a dual nozzle 200 shot on stock crank and caps but with arp studs. Probally gonna do some Scat 6" H (maybe I) Beams with Mahle pistons.
Old 03-09-2008, 06:01 PM
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Yeah I ran 14Psi on 2bolt mains..I did not loose the a bearing but after 1,000 milkes When we took it apart they were loose



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