Would anybody know the rocker ration for a CP PI engine,  arms 109023/24.  Some say 1.5:1,  others say less I replaced mine a while ago from Rimmers, ones without the bushes and a new shaft, but notice now 3 of them open the valve much more that the others. I checked the originals I took off, I keep all my parts, and the dimension is less than the smaller one below. so different ratio again I have measured from the shaft to the outer side of the ball, and there is quite a differen