Technical Information – Harland Sharp
WEBfrom zero lash (no clatter). Roller rocker arms should be tightened no more than ½ turn from zero lash. Changing Rocker Arm Ratios. The amount of additional lift at the valve will be determined initially by the amount of cam lobe lift. If lift with a :1 rocker is at the valve, then lift with a :1 rocker will be