284/484 MP cam install

The car the 360 was in was a 1977 Aspen R/T ran the stock convertor ,(don`t do this ), Rebuilt A999 t/f , Weiand Excellerator intake , 780 Holley vac sec , 1 5/8" Casler headers , and a 4.30 suregripped 8 1/4" with street tires ( M&H L60`s) Ran low 14`s High 13`s . Car was heavy , suspension was stock. This was in the late 70`s.
Chryco 557
Do you think with my combo, 68 Dart, 3250lbs with me in the car 26x9 slicks with all stock rebuilt suspension get me into the mid-13's or high 12's?