350 SBC, 2 bolt main. Planning to go to 383. - Hot Rod Forum : Hotrodders Bulletin Board
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Old 02-02-2012, 09:15 PM
gmac@uugghh?.me's Avatar
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350 SBC, 2 bolt main. Planning to go to 383.

Is it worth the time and money to build a two bolt main 383 SBC?

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Old 02-02-2012, 09:28 PM
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yes it be fine.. add arp studs...
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Old 02-02-2012, 09:47 PM
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if you already have the 2 bolt main then it should be fine..i had a 2bolt stroker for years that was pushed hard.
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Old 02-03-2012, 05:31 AM
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2-bolt blocks usually don't develop cracks in the main webs, this is a common problem with factory 4-bolt blocks. 2-bolt is fine for sustained 450 HP 350 at a sustained 6000 RPM, plus occasional 200-HP hits of nitrous, on a progressive controller. I know because I've done it, without ARP studs. I use the old Jacobs' Mastermind, and had the on set for 50% at 3000, 100% at 6000. Never hurt anything. Ran that for 3+ years, daily street plus dragstrip trips.
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Old 02-03-2012, 08:24 AM
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Rught on guys, thanks for clearing that up, id been getting mixed answers from the guys iv asked. Ill build 'er up. HAZAAA
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