How fast are big block Duster's.

Being the owner of many a 3500 lb GM cars, i dont think i full appreciate the duster i am building yet. I understand its all about HP to weight ratio, and how well you can get the car to accelerate, get power to the ground. I have seen a few you tube videos of a nice 340 duster, nothing too fancy by the looks of things clicking off 11.55 @ 116 mph. I think to myself thats pretty stout, might be a stroker in disguise?

I took my car complete to the scales before i tore it apart, and in full trim bench seats and all, with a 6 cylinder and a half tank of fuel was 2770 lbs without me in it. I thought holy **** thats a dream. So add in an 8-3/4 with 727, there has to be some weight there, and with all the aluminum on the big block, that saved 125 lbs plus glass lift off hood another 35 lbs. I think the car should be the same weight now as a small block duster?

So with 525 hp, 552 tq on the dyno, with 3500 stall and 3.73 gears, is it possible to be into the 11,s with this car?