I don't know about the bigger AirDog pumps, but their Raptor pumps are crap. Put one of their kits on my '01...had to replace the pump after a year. It was under warranty though. After a year and a half on the 2nd pump, the fuel pressure is fluctuating again.

CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax