First thing you should do is take that piece-o-junk Perry pump off and toss it in the trash.

Buy a Cline Regulator and install it.

http://www.billsroom.com/pcfs/

Tune your low end for perfect transition. It takes time to get it set perfect, but you can do it if you just put the time into it.

Tune your high end for best running and back it up about 3 clicks.

You asked.