Originally Posted by kevinmfb
Got a 15lb Kinugawa for $96 (with shipping) and it's too stiff. I peek at 24psi and tapers down to about 22psi. Which means I don't push the pedal down or go past 3000 rpms
Sounds like your tune needs to be adjusted. You should be able to make that just hold a solid 15psi if you wanted to.