Unported head quickness?

OK I'll throw mine in here. Been a while and no longer have this car but I remember what I did. 68 Barracuda fastback. 360 balanced rotating assembly from Huhges engines 0.30 over hyper pistons with 10:1 compression. M-1 single plane intake with 750 Holley double pumper carb, headers 3" exhaust through Dynmax Super Turbos. Cam was .510 hydraulic Racer Brown. 904 trans full manual valve body with 8" 4500 convertor. 8 3/4 rear with 4:56 gears on 9" slicks. Heads were stock J with 1.88/1.60 good valve job. Ran best of 11.83 @ 109 60" time usually 1.57. Should have never sold that car....