When you take your Machinist's Ruler and Lay it on the side of your Rocker Arm Studs and even a .001 feeler guage will not fit between any one of the Rocker Arm Studs and the Ruler, you smile! Then you Measure the distance from each Valve Stem to the Rocker Arm Stud. When they are all right, you Wax Eloquently!
