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Shumby made 390 rwhp at 6 lbs with stock exhaust manifolds and stock cat's. Not sure what exhaust he had. Headers and high flow cats will cost you boost and
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02-28-2011, 06:37 PM
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#1 (permalink) |
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A True Z Fanatic
Join Date: Jul 2009
Location: Ontario Canada
Posts: 1,660
Drives: 370 Z 7AT Sports
Rep Power: 21  |
Shumby made 390 rwhp at 6 lbs with stock exhaust manifolds and stock cat's. Not sure what exhaust he had.
Headers and high flow cats will cost you boost and RHWP.
__________________
 12.343 @114.14 . 4.5 stroker motor is now being built. Dec 1 2015.
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03-01-2011, 08:46 AM
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#3 (permalink) | |
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Enthusiast Member
Join Date: Feb 2009
Location: Houston
Posts: 352
Drives: Mustang GT
Rep Power: 239  |
Quote:
 Clearly the GTM stage 1 kit does not flow enough air plain and simple look at the graphs his numbers start to die off after he hits 8psi. Secondly dont hold your breath for the stage 2 kit...
__________________
Project オレンジ 2009 (FUGLY) Grabber Orange Mustang GT // SLP loudmouth axle back // JLT intake // BamaChips Tunes // ... TheDreamer's personal mechanic 
Last edited by rednek01; 03-01-2011 at 08:51 AM. |
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