I think it should go 11.50 or better pretty easy.
You weigh 500 more than mine and have enough power there to at least run a tenth better. Check my sig.

70 Dart Swinger, 2850 lbs
SB 408, Bullet roller 264/268 @50 .636 SSDS stage 2 Edelbrock heads, 1 7/8 Headmans, 1050 dominator by Dom, 9.867 @ 133