Well after much research and digging around, my dealer and I both concluded that the 4R70W is indeed the correct tranny for my truck. The source manual is really vague on the 4R100 in California issue, but once you dig in and read on it you have to have either the 7700 tow package or a 5.4 L 4x4. Sorry if I gave any of you guys false hope on a potential Ford messup.
So it's back to summit to get the correct Transgo shift kit.
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E.T. 15.728 @ 85.865 mph
*BLOWN* 2000 2W F150 (Flareside Black ExCab) 5.4L (3.55LS) with K&N FIPK,Crazyabout150's JetChip *thanks*,Custom phenolic TB spacer, Flowmaster Delta 40, Twin dual 3" pipes out the back, BioLight Xenon Lamps (cool blue), Blazer 55W projector fog lamps, Clear Corners, WingsWest Bumper Cover, Street Scene Grille, Transgo shift Kit, White Face Gauge, Billet Aluminum Gauge Bezel, 75mm TB, and Stock Ford Sport 17" Rims.
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