Originally Posted by pedZ

Hey Bushman, I have some feedback from the UpRev tune. The tune definitely helped the issue. There still does seem to be a lag in the lower RPMs but it's not nearly as noticeable. I guess the best way I can explain it is that it has been smoothed out so that you don't notice it. In fact, the car is much smoother throughout the entire RPM range.

My car was running rich before the tune (in the 11s) and is now between 12.5 and 13. This helped out the car a lot and I gained 12hp overall from the tune.