1/4 mile times with a bb in a 72 duster

Should run 11s. My set up was 509 cam, 516 heads with 1.74 ex. valve,bowl port and gasket match, 9.25 comp. 4.56 gears and 3500 stall. Was in a challenger 3500 lbs. 9 in. slicks ran 11.8 Oh yea. Had a 750 dp on weiand xcelorator intake. The 516s aren't as bad as people think.