You're not too far off from my setup.
How about this...
Everett-Morrison kit
390 FE
.030 over
Flat top pistons
Performer rpm heads
Performer rpm intake
Performer rpm cam
Hydraulic lifters
Dove roller rockers
Holley 770 (street avenger)
Lakewood scatter shield
Tremec 3550
9" rear end w/3.50 ratio
MSD w/Pro Billet (rev limited to 6k)
Horse power ??? I would guess about 400 but never had it on the dyno. I do know it's fast!
Gene
more pics