D cam clearance for timing specs

Does anybody know the clearance used for measuring timing on production D cams? I know the timing is 30 60 60 30 but those figures aren’t necessarily called out at std running clearances. I think when I had Weber grind up a pair in the past they used .010

I have a pair that I got made up from new cam blanks. Clearance is 8 thou on both sides.
I have never used them…