Apparently ball/ball is the strongest but I`ve been runnin ball/cup forever but I don`t have a crazy cam either and my over rated HS`s seem to be doing fine after 8+ years of street/strip bashing.


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.....