Best setup for 60'

I have QA-1 12 way adjustables on all 4 corners of my car(66 Dart)XHD springs,4.30 spool with 28 inch slicks.This is behind my 408/904,I also have the lower first gear and a 8 inch 4500 stall.I rev to 1500rpm and stab it,my 60fts. are in the 1.56 area.Good luck.