I'm new at this kind of stuff , so bare with me . I have a 67 BARRACUDA notchback with a 512 stroker, 727 and a 9" (ladder bar's) mini tubbed. The old motor was a 440 and the best # out of it was a 10.71 @125 1/4 and a 6.90's in the 1/8th. I only ran the 512 once last year and it was a 6.7 @ 104...