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So your going from a .399 lift @ .50 to What to gain 75-85 rwhp on that Mach1 ,my factory car has cam specs"Ford GT Cams".450 lift @ .50 not sure duration/lobe separation , can we get the cam specs to your cams to compare to stock ?70-85 RWHP at these boost levels is pretty common with our cams and no other changes.
MMR