I'm more than sure that stock shaft will hold at 125 WITH stock gears. Because there is no way that ford will put a shaft that will brake before the speed governor turn on.. cause if it brake while i'm doing 115, i'll sue there a$$es ( now thats with stock gears, if you put 3.73 or something else that another story)..
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2006 V6 Pony Package, Blue
Carbon Fiber 3" CAI pipe
8.8 rear axle, 3.73 gears
Bamachips 93 race tune
White Racing Stripes, 8" Antenna
Shorty Headers, Dual Exhaust (GT take-OFF)
GT take off brakes
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