I'm really not sure what GPH the Aeromotive A1000 pump flows, but I'm sold on it. It's "rated" to feed 1500 hp NA on gas. It's one of the more popular pumps on fast street driven cars. Been running mine since 2011 I think and it's been flawless.

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