i set mine to 5400 rpm and I get about 11-13 psi of boost

 

Have your clutch adjusted maybe... I tried to launch my twin disk several times before it was adjusted, ALL were crap. After Alfred (ttechnologies) adjusted it, launching became second nature. Hope you can find a solution

 

raising the 5k stock rev limit and droping the clutch will toast your t-case. Mitsu made it 5k for that reason. If you raise it, great, just get a better clutch and let it slip.

 

i just recently gone tune and raise the 2 step to 5700 is that alright? all my friends have it the same and they been runnin low 12s high 11s with ebc, tune, tbe, and race gas