you should be able to modify the shift points on the Diablo performance TCM tune too. I tried it, worked on my truck.TooCoolHemi wrote:I select the modifed stock tune,don't think you get tcm option's when selecting your proformance tranny tune.
just looked with CMR to confirm, Diablo performance trans tune has stock shift points, so if you have shift points that you like, you should be able to use "modify tune" add them in.