When I use to run hydro stuff, I zerowed em and added bet 1/8-1/4 preload.....some stocker racers actually zero em w/out any issues I know of. I never liked that much preload myself.
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.....
