I have stock 7m gte I could have sworn it got more than 4 lbs of boost before rebuild now it dosen't go past 4 whats up with that?? The only thing I did was a very slighty larger wheel .20 larger wheel in the c 26 or at least that's what I think that s what he said it was could I be wrong?? Whats the next larger size wheel for a ct 26?? or could that be the problem??