I have a 325 A/T diff on my 325 5speed the THings does not stop pulling, when U say i lose high end torque does that mean i hit the REV limited sooner or really lose torque ??? I mean this puppy pulls I hit 115+ at 6k and was still in the trunk, I slowed done bcz I need new wheel (stock 195/60/15) I know SCARY!!!!!!!