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Forced Induction Superchargers | Turbochargers | Intercoolers

364 or 370 for boost?

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Old Nov 1, 2010 | 09:16 AM
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From: Lee NH
Default 364 or 370 for boost?
Besides 6 cubes whats the difference?
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Old Nov 1, 2010 | 09:18 AM
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assuming both are ~4" bore and 3.622 stroke? If so, 364 will have stronger cylinder walls.
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Old Nov 1, 2010 | 09:38 AM
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From: Lee NH
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Yep fireball both would be stock crank, forged rods and forged boost pistons.....364 would be stronger under high boost then
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Old Nov 1, 2010 | 09:44 AM
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Only marginally. Your crank would likely fail way before the .030 would make a difference.
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Old Nov 1, 2010 | 10:14 AM
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I would trade the .5-1hp difference from the extra 6ci for the additional strength (even if its only a little) the any day of the week
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Old Nov 1, 2010 | 10:16 AM
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Well im trying to save.money as much as possible if 6 inches would only make 1 more hp im good
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Old Nov 1, 2010 | 10:17 AM
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Also turbo would need to be 80 mm and up right?
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Old Nov 1, 2010 | 10:22 AM
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My point was that if you have a 364 that doesn't need bored, then don't bore it. If you have a 370 in good shape, then don't go thru the trouble to try to find a new block.
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Old Nov 1, 2010 | 11:31 AM
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Ok 98 z thanks what size turbo would you reccomend?
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Old Nov 7, 2010 | 12:22 AM
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you should give one of the sponsors a call for that question
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Old Nov 7, 2010 | 12:40 AM
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PT88, or ST80
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Old Nov 7, 2010 | 08:39 AM
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You never specified iron or aluminum block. Typically if you see an engine advertised as a 364 or 365 it's an aluminum block LS2 at standard bore or .005" over. If you see a 370 it's usually an iron block becuase most builders bore them .030" over. This might not always be the situation but is what i've seen looking around at various companies.
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Old Nov 7, 2010 | 10:01 AM
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^^^this, if its a 370 iron block, id go for that. For obvious reasons, it will be stronger, but will be heavier as well.
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