I'm at 1.60 like to get it down to 1.52-55. Depends on the set-up. I'd guess 1.70 depending on how "mild" the 440 is. I tired un-hooking and removing the front sway bar on an old 67 coronet, made Zero difference 1.68 was it. Car ran 12.90 @ 103 (3850lbs)