Rebuilt engine firing on 2 cylinders

[Oxford Jack]

Hi JonE,
I regret I did not take much notice of the profile, I did notice that it is a constant radius I think, rather than shoulders and a flat top, but I cannot say what dimension. At the time I was more involved with unsticking the valve stems and ensuring the cam followers were not cracked, tidying up the tappet screws and lock nuts.
It will have to do for the moment, we leave for Parts Northern tomorrow.