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4.100 bore ?

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Old 08-16-2007, 12:42 AM
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Default 4.100 bore ?

i have a set of 4.100 pistons that came out of a 382 all bore ls1

my ? is can a 6.0l block be bored out that much?
or does it have to be sleeved

would it work? any suggestions would be apreciated
Old 08-16-2007, 01:29 AM
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i am no expert-but i dont think so-

considering the l92 block is 4.060 or .065

i think it has to be sleeved-
Old 08-16-2007, 07:42 AM
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Nope, .060 is normal max with sonic test.
I've seen a .080 overbore on a pure racing application, didn't last long.
Old 08-16-2007, 08:58 PM
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so guess sleeving it would be the only option if i were to use that piston
Old 08-17-2007, 02:12 AM
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Yeap....
Old 08-18-2007, 10:02 PM
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The 4.100 were popular a few years back. Most of the first true LS1 strokers were resleeved aluminum blocks that netted 422CI with a 4" stroke. Seems like they are a thing of the past now. The Iron 408 and LS2 402's have taken over.




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