I suggest living vicarously through your fathers vette...cuz your mustangs NEVER gonna catch it street legaly. Help your dad install the kit whether he lets you drive it or not. The experience with your father is worth more than anything else tangible. Unless you swap a blown stroker in there your not gonna catch pops and that will never be street legal. If the mustang is a second car than go for it. But it doesnt sound that way. Good luck and let us know how it turns out 
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98 GT manual trans, Magna Flow exh.
old car: 95GT, TFS T.W. heads, Holley Intake, B303 cam, FRPP 30lb injectors, Scorpion 1.6 rollers, 65mm TB, 73mm MAF, BBK Longtubes, Flowmaster cat back, March Pulleys, MSD coil, 9mm wires, Tremec 3550 trans, Pro5.0 shifter,10.5 Motorsport clutch, FMS aluminum driveshaft, weld in subframe connectors. 190lph pump, BBK adj FPR.
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