Man. 4.56's? Steep street gear. When I got my car back in 1982 it had the original 383, balanced and blueprinted, 11.5 to 1's, and the DC 528 lift / 284 duration mechanical cam with a holley 850 race carb on a single plane intake. It had the original 833 4-speed and a Dana 60 with 5.38's! I...