Actually someone had done this and found very nice gains in doing so, to the tune of 13 rwhp through an auto trans. The 96-98 heads are not as pathetic as they have been made out to be. More and more people are finding out that about 40% of the gain in HP with the PI 4.6 is in the cams.
PI cam swap
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'97 T-bird LX 4.6L 2V, auto
SVO heads/intake, Vortech T-trim, front mounted intercooler, blower cams, Cobra crank, Manley H-beam rods, JE pistons, Aeromotive fuel system w/ 42# injectors, and much more
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