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Old Nov 29, 2006 | 08:10 AM
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are all LS1's 4 bolt mains? i have never seen a 2 bolt and was just curious as to if they exist.
thanks
and i did try to search but it was down.
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Old Nov 29, 2006 | 08:24 AM
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Actually they are six, four on top and two on the sides.
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Old Nov 29, 2006 | 10:22 AM
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really, thats why they can handle 500 hp on the stock bottom end huh. thats definately an improvement. thanks jub jub
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Old Nov 29, 2006 | 12:19 PM
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Actually, a 2 bolt main LT1 can handle close to 700 HP just by adding main studs. 2 bolt main Gen-I and Gen-II blocks aren't as bad as some people say.
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Old Nov 29, 2006 | 10:28 PM
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Originally Posted by LS1Formulation
Actually, a 2 bolt main LT1 can handle close to 700 HP just by adding main studs. 2 bolt main Gen-I and Gen-II blocks aren't as bad as some people say.
well that certainly makes me feel better, i just bought a brand new 2 bolt lt1 383 with arp main studs that should put out 475-500 N/A. lifetime warranty covers up to 650 hp, so im happy to hear that from someone else, especially an LS1 owner.
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Old Nov 29, 2006 | 10:36 PM
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I did a heads/cam on a 156k 2-bolt LT1 shortblock and it ran 13.4 in the quarter in a 4700 lb. Caprice 9C1. I beat on it every day with no issues, close to 200 passes before I sold it. According to the ET chart on the impalass forum, I had the second quickest Comp 502 cammed B-body around. Considering yours is a built shortblock with studs, I wouldn't hesitate to wail on it. It'll hold up.
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Old Nov 30, 2006 | 06:29 AM
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Originally Posted by LS1Formulation
I wouldn't hesitate to wail on it. It'll hold up.
the compression is 11:1 and it is a brand new block so i could probably squirt a little juice if i had to.
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Old Nov 30, 2006 | 08:56 AM
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I dont think he was referring to spraying on it, but I dont see where that would hurt. Just dont go throwing any 250single wet shots at it
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Old Nov 30, 2006 | 09:00 AM
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i think another reason they are 6 bolt mains is because of the aluminum block?? Not sure but just kinda makes since in my head
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Old Nov 30, 2006 | 10:00 AM
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Originally Posted by Specialized
I dont think he was referring to spraying on it, but I dont see where that would hurt. Just dont go throwing any 250single wet shots at it
nah, i was thinking 75-100 at most and way on down the line. just in case.
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Old Nov 30, 2006 | 05:32 PM
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Stock crank and block proven past 800 - 1000 HP. Not sure if it was using the stock mains or billet ones, and almost certainly ARP hardware, but still rather impressibe IMO.
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