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364 or 370 for boost?

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Old 11-01-2010, 09:16 AM
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Default 364 or 370 for boost?

Besides 6 cubes whats the difference?
Old 11-01-2010, 09:18 AM
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assuming both are ~4" bore and 3.622 stroke? If so, 364 will have stronger cylinder walls.
Old 11-01-2010, 09:38 AM
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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
Old 11-01-2010, 09:44 AM
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Only marginally. Your crank would likely fail way before the .030 would make a difference.
Old 11-01-2010, 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
Old 11-01-2010, 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
Old 11-01-2010, 10:17 AM
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Also turbo would need to be 80 mm and up right?
Old 11-01-2010, 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.
Old 11-01-2010, 11:31 AM
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Ok 98 z thanks what size turbo would you reccomend?
Old 11-07-2010, 12:22 AM
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you should give one of the sponsors a call for that question
Old 11-07-2010, 12:40 AM
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PT88, or ST80
Old 11-07-2010, 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.
Old 11-07-2010, 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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