Originally Posted by .c2

Yes, and there's always the problem of different dyno readings lol. Maybe on a dyno that reads much higher than whatever the standard is, 400whp is possible?

On that note, is there a standard dyno that we're supposed to compare numbers to based on what dyno we used? My numbers were done supposedly on a mustang dyno that reads 20% or 30% lower than it's supposed to, and then numbers get recalculated from there buuut I have no idea how accurate it really is