I've been running VP-100 and 101 at 12.1.1 comp. in the 9's for many years............The new 101 is called HP-101 and is no longer street legal but VP sez it's good to 14 to 1 iirc w/alum. heads and 12 to 1 w/iron......

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.....