by Nighthawk » Thu Mar 16, 2006 10:45 pm
It sounds like the speed limiter has been set.
If the revs max out with the vehicle stationary, it's been set at 70mph and should have had a sticker stating so on the drivers sun visor which is visable with the visor stowed.
Any dealer can disable the limiter for you at a small cost, it's just a matter of connecting WDS to the vehicle and reflashing that parameter on the engine management.