Upgrading From A V2 S Trim To A V7 Ysi Trim Pulley ?s

[musclemustangcb]

Im currently running a v2 s trim 16psi@ 6000 engine rpm. Stock damper diameter and a 2.95 8 rib pulley. Im upgrading to a v7 ysi. Im looking for 18-20 psi. Should I run the same pulley, or is the ysi so much more efficient that it will be over 20psi with a 2.95 pulley. Im hoping I can pulley up a size or 2 to provide better belt traction. Any of u guys rocking a ysi on a similar setup to mine.