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Discussion in '2005-2010 V6 Mustang Tech' started by StupidTodd, Jun 15, 2005.
u had to look up the feet in a mile part, didnt u!!
Hey, don't worry about it. On these boards if someone doesn't have any useful info to share some people say ignorant things just to chime in. You should be as offended as they are witty. The majority of us here are a community willing to learn from those who know.
30 psi on a factory blown 3800 wouldn't be smart but a nitrided crank,forged rods and 8.0:1 pistons will hold just fine on that block. it is quite strong with it's cross bolted mains. and is stronger than the ford 3.8 or buick stage 1 turbo block. please don't dispute this as i used to build buicks. the 3800 seriesII is a beast of a block being patterned off of the on-center INDY light 4.6L buick block. all three blocks will handle 1000+hp and 25+ psi boost levels but the rods and pistons must be made to handle those levels. you might as well say 30psi on a yugo will blow the block. of course it will but i'll bet 20psi with a spot on tune would hold up on the 3800 with race gas
the 4.0 bottom end is smallish which will be the determining factor in power level/rpm level
the 60 deg block is quite strong as far as resistance to block splitting
What part(s) in the 3.8 are stonger the the 4.0? Internals? Mains?
the entire crank and the block is most likely stronger too
although the 4.0 with it's 60 degree bank angle would not lend itself to block splitting very easily.
i'm sure the 4.0 block will take some serious abuse but the journals are quite abit smaller than the 3.8
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