Really geared toward rear drive cars, but here is a HP calculator that gives HP based on 1/4 mile MPH or ET.
The MPH & ET HP#'s may not match up on cars with slow launches (like my SS (plug in my car's weight, ET, & MPH & you'll see what I mean)), or cars that have traction problems (wheelspin).
http://www.cprparts.com/HPcalculator.html
HP Calculator
Moderators: Helpinators, Moderators
HP Calculator
94 Legacy SS
96 Impreza OBS
99 Impreza OBS-T
04 Sienna XLE Limited AWD
96 Impreza OBS
99 Impreza OBS-T
04 Sienna XLE Limited AWD