estimated HP

78freewheeler · Jul 26, 2010

ok so i got a 390 freshly built and kinda wonderin what #s im lookin at. stock rotating assembly, flat tops, stock heads stock valve train, eddy performer rpm cam. 572 lift 296 duration 236 at 50 thousandths, performer intake and 770 holley street avenger. thanks all

LEB Ben · Jul 27, 2010

Best I could do is give you a guesstimation...probably in the 3-325hp range, would be my guess. However, give member 'hollenjoe' a PM and see if he's willing to help you out. If he is, give as many specs as you have, and he'll be able to run a desktop dyno for you.

smokey · Jul 27, 2010

Ran your Numbers through my Dyno program
@5500 rpms 349 HP and 333torque
Max torque was 391 between 3500-4000 rpms

78freewheeler · Jul 28, 2010

ok thanks for the info guys. all is greatly appreciated. i guess we'll be seein what she'll do to the 75 250

Join Our Ford Truck Forum Today

estimated HP

78freewheeler

LEB Ben

Arrogant A-hole At-Large

smokey

Hitech hillbilly

78freewheeler

Ford Truck Articles

Recent Forum Posts

Share this page