The MS4 has produced some big peak numbers in the state on unopened LS1 motors i.e just a cam change with the stock heads. I've seen Dyno sheets showing 420 RWHP. Combined with a set of CNC ported heads that number jumps to 450RWHP.
It'd probably make even more in a 6.0 motor
The thing is that it is a top end cam and the car may still be spanked off the line by milder camed motors making better torque.
Sounds good though.
Cheers
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Mike Murphy
Melbourne Australia
Last edited by Aussie Mike; 06-15-2008 at 09:39 PM..