I seriously doubt it will ever generate a timeslip to back up what they claim. Goodwin builds some cool stuff, but where are they finding an extra 200 hp that NOONE else can w/ a 440-1 head? And it's a nitrous motor at that.

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