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447 and 438 rotating assemblies

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Old Dec 22, 2004 | 12:02 AM
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From: arlington aka aggtown
Default 447 and 438 rotating assemblies

have u guys heard of the 438 and 447 rotating assemblies for the ls1?

check out chirpthird.com and look at the kits
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Old Dec 22, 2004 | 12:31 AM
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Callies wet sleeve block/4.165 bore along with a Callies 4.250 stroke crank = 463 ci.
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Old Dec 22, 2004 | 12:59 AM
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how much power can a motor like this handle? how much nitrous will the block be weak?
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Old Dec 22, 2004 | 01:15 AM
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Originally Posted by Beast96Z
Callies wet sleeve block/4.165 bore along with a Callies 4.250 stroke crank = 463 ci.
new darton 4.200 sleaves + 4.250 stroke = 471
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Old Dec 22, 2004 | 01:16 AM
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I have a 4.155" bore and a 4.125 stroke= 447 cuin
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Old Dec 22, 2004 | 04:46 AM
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Originally Posted by 427 LS1
I have a 4.155" bore and a 4.125 stroke= 447 cuin

who did your heads and what kind of power did it make?
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