I went from 12.24@112mph with the 44 at 25psi.
to 11.6@116mph with the 54@22psi.
I had alot of issues that day,but ran mid-high 11's every pass.
I ran a 3500 stall,wich seemed to be just right.
from the 54,I switched to a te-45a.
I would recomend u pass on the 54 for the 45A.