Horsepower Estimate?

fishmens67 said
That equates to 290 hp at 3300#'s.

just so you know 92 mph@ 3600lbs gets your 383 road runner or 383 dart 216 hp using that calc
my 68 gts was 3420 without me in it
my 70 duster 340 4spd was 3610 with me in it