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Originally Posted by IROCZBeast
2-bolt main LT1 + 400hp+ = boom
from what i understand really high horse power in an f-body LT1's won't last. only the LT1's in corvettes got 4-bolt main as far as i know.
thats just what i've heard though, don't know how true it is.
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4 bolt mains are very helpful when it comes to the LTXs, but 2 bolt LT1s can take plenty (pending proper tune, est.) of power. Whether that 400hp your talkin about is fw or rw HP, a two bolt will do just fine. I'm still useing the stock block but with all forged internals and my engine combonation should net around 500fw and 420rw, and by no means is my engine exceptional, plenty of people make alot more than me.....I'm still using the stock head castings just to give an idea btw. Theres really no need to switch to a 4bolt unless your gonna make like 600fwhp N/A, as for boost with boost it would be closer to 550.
Maybe the reason your thinking that is because that equasion is 100% correct when ya substitute in Boost like so:
Stock LT1 Bottom end + Boost = Boom
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- Fran
Black 97 Z/28 M6
CMotorsports 383 LT1, Jet hot LTs, mufflex 4\", spec3 clutch, 233/239 112, bla, bla, bla...
Stock suspension and rear for now.
Daily driver- '04 Sub Forrester 2.5XT
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