It's not a secret or anything.... Lol.
A member here in a full weight bench seat A body went 10.50's at Quaker( which would be 10.30's anywhere else) with a 9.5 to 1 compression 4 inch motor.
I found that extremely impressive for a first outing.
If I remember the heads peaked at 288 ish intake. Don't know any other numbers.

Last edited by B3422W5; 08/20/14 12:35 AM.

69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, low 10.30’s 1/4
1.41 best 60 foot
6.56 at 104.17