Hi. Wes
Thanks for replying, I’ve got the procedure for measuring valve clearance looks to be between .028 and .080 but that is measured with valves closed so the tappet is on the back of the cam lobe. What I would like measure is cam lift with the tappet on the lobe of the cam. That way I can measure at each pushrod to get an idea if the cam is worn. Think there is a procedure using a dial gauge.

The first link link you posted way back in this thread is now not found do you have the details of that document.

Thanks. Ian