How much more power on average will the Trick Flow heads make? I'm only doing this once and don't want to settle for the GT40P's if the TFS heads will make more power with my combo. Tireburner, I already have a cam and pretty good intake, so I think I'm all set in that aspect. I also like the fact that the alum will lighten things up a little bit. Does anyone have flow #'s on the 2 heads with roughly the same combo?
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NewEngland Auto www.baystategearheads.com
-91 Mustang Coupe, ex 4cyl (sold)
-99 F150, 3" lift, 35" Procomps, Magnaflow exhaust
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