Why are you trying to reach 100 on 5th? with your diameter tires, you can reach 100 in 4th while only at 5500 rpm. Are you just running out of track?? But regardless I still don't understand why you'd shift into 5th beforehand? I think precisionboost or someone on daewootech calculated the optimal shift point from 4-5 would be ~5750 rpmOriginally Posted by SGAveoGuy