I am replacing my 60-1 HIFI with a 62-1. turbine a/r hosing .86. I dyno'd 430whp with the 60-1 @ 13psi. Any ideas what 15psi with the 62-1 would net? My goal is 500whp on pump gas. Any input (on power, driveablilty, etc) from some with 62-1's would be greatly appreciated.