A customer recently dynoed a carb I did and at 6400 it started loosing fuel pressure and going lean due to the big pump needing more volts so he added an alt and haven't heard back.......If that 12.5 is the voltage at 7100 rpm's, then the battery isn't cuttin it imo............

Last edited by Thumperdart; 12/11/17 09:50 PM.
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.....