I need some help, I built a 2004r, it`s behind a GM LS series motor making 440hp, used a Transgo shift kit, and a Superior super servo, the 1-2 shift is mushy,in the drive mode, manual is better, but still not crisp. 2-3 sharp and crisp as is the 3-4 any Ideas? Been on the phone to Transgo, they...