As promised here are the first dyno results for the 2003 Mach 1. Make your own decisions. 
http://www.mach1registry.com/forums/...0438#post20438
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66 Coupe SignalFlare Red 289 4V
70 Mach 1 Grabber Green 428CJ
02 F150 Flareside Black FX4 5.4L
03 Mach 1 Torch Red 4.6L DOHC
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