1/4 mile times

I'll add that setting total timing with no regard to initial will cause all sorts of problems, especially with a 509.

My guess is that engine will need a minimum of 18* initial and as much as 24* to run and have decent response. What adv bushing do you have installed on the MSD billet. You need the biggest diameter one in the packet installed. You may even need to get a larger one to limit mech advance

Did I mention not enough converter... :-D

Right converter, hooking and tuned up, it should run 11.50's.