Okay guy, I will give you an apples to apples comparison. Back in the 80's I had a 69 GTS Dart, I had a 0.030 over 340 in it with W2 heads, 10.6 compression, Crane cam(242/252 .532/.552 108 install at 106), 1 7/8 headers, 727 trans, 5000 converter,and 4.86 gears. My best time was 11.60, soon...