My Combo, Right or Wrong!

Here is what I have done. Will someone run it on a desk top dyno and let me know the HP and ET, if it can be figured out. I have it in a 76 Dart Swinger, and will be running 28 inch slicks and a 4:10 gear. The car is stock weight and I weigh a lot........about 250 or so. Thanks

360 bored forty over block is decked and internally balanced
speed pro flat tops balanced 20 thow down in the hole
eagle I beam rods
the heads are from a 98 Durango (59cc's) cut fifteen thow stock size valves
Lunati Bracket Master 2 cam specs Advertised Duration IN/EX: 292/292
Duration @.050 IN/EX: 230/230
Gross Valve Lift IN/EX: .480"/.480" (512 With the Mag rockers)
Lobe Sep Angle 109
RPM Range: 2000-5500
904 trans with MP 2400 stall B&M flexplate
holly 750 duel feed or Predator 950
edlebrock RPM air gap for Mag heads manifold
1 5/8 headers Dynomax mufflers or open
Have a 100/150 NOS kit I would rather not use unless forced to
Well, what do you think? Thanks again