A 4L70E offers more flexibility as it's possible to use software to raise 3-4 shift points and lock up speeds. While I still favor 3.73's, for the 4L70E, a 3.50 works well as long as the cam is not too crazy.
It's all about keeping the engine in its power band when in overdrive.
__________________
________________
Steve Chryssos
Ridetech.com
|