Dave and I have this thing all gauged out and I also replaced the VB to see if that was the cause! So here I am 50 60 mph and give it more than 50% pedal and it downshifts revs to hell and then upshifts so annoying! All pressures are perfect! I even have good Gov pressure when it happens! So I'm at a loss any input from the tranny gods is welcome!
Can a smarty do this or a bad TCM?
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E.D. 66-74-091, T-4 exhaust, 2 Micron filter pre CP3, EFI, S&B intake, ARP 625 head studs, 182-214 Hamilton Cam,springs and push rods,40% injectors, Banks Intercooler, T&C CP-3 & PRV, Built
48RE, 5" exhaust,Carrillo rods, Pacbrake! 
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