Any guess what it will run?

71 duster about 3000 pounds

Mopar 360 bored .060 over, stock stroke crank, eagle rods stock length, Speed pro 10.5:1 pistons, RHS head, Comp 292 .501 Cam, Edelbrock Victor intake. 2" Carb Spacer w/ Holley 750. Long tube headers(open).

727 just been rebuilt with manual valve body.

8-3/4 with 4.88 gears (only have 1/8 mile tracks around here) 28/10-15 Slicks