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05-04-2009, 01:09 AM | #1 |
Registered User
Join Date: Mar 2009
Location: Covington, Oklahoma
Posts: 27
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GM crate motor HP and torque
how accurate are the HP and Torque on GM crate motors, such as the ZZ383
425 HP at 5400 rpm and 449 lbs torque, 9.7 to one,roller cam 509/528 lift 222/230 @ .050,. fast burn aluminum d port heads 62cc 2.00 intake/155 exhaust valves. has one been put on a Dyno , are just taking GM's word on this. |
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