Checking lobe lift

Just one more suggestion. Maybe remove distributor and prime oil pump. Keep priming while checking Lobe lift.

I have an oil pump priming shaft so that could be possible... how much of a mess am I looking at making? Seems like I'd have oil shooting out of the rocker shaft pedastals onto my nice, clean engine compartment?

*edit: nevermind, if I did it that way I suppose the valve train would be assembled and I could take the measurements from the pushrod side of the rocker arm