Man you're asking for everything and plus the girl. LOL
I'm solidly in the 9's now and I don't see 40-50 lbs changing that much but we will find out when I make the change and hit the track for a "real world" test............
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.....