What #`s do you come up w/Fast on my 12.1.1 470 w/276-281@ .050 in at 105 at 2500-3000 ft elevation.............thankxxx.......... thumbs


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....