Join Date: Sep 2006
Location: Las Vegas, Nevada
Originally Posted by stay_unique_91
I have the same problem with my car. It's tuned with 4.10's (other mods in signature) and going into fourth at WOT it won't shift in to fourth. However if I am not at WOT it will shift without a problem. I have no idea what the speed is when it happens, more focused on the road.
Thats good tuning and perfectly normal operation WOT 3-4 will damage the 4r70w.
-1996 Pearl White Thunderbird 4.6 Sport 4v with many mods:
Current Best: 13.583 @ 103.74 10/2014.
227hp/241tq measured on calibrated mustang dyno, tested at full vehicle simulation with inertia enabled, no number skewing.
-2001 White Ford F-250 Super Duty 6.8 V10, 4-door, 4x4, Limo Tint, BFG KO2's, Bilstein 7100 Remote Reservoir Race Bypass Shocks, 6" Spring lift, Kenwood Double Din, K&N Intake, FlowMaster Exhaust
Amber_Murder's Daily Driver.
-2005 White GMC Sierra 3500 6.6 Duramax, Dually, 4-door, 4x4, Limo Tint, BFG Commercial T/A's, Rancho RS9000XL Shocks, Kenwood Double Din, K&N Intake, Banks Monster Exhaust
Chris_Murder's Daily Driver.