Location for oil holes on rocker arms?

PRH said

If the hole on top of the rocker has unrestricted flow from the feed hole in the shaft........ it could be(should be) tiny.
Like .010-.015.

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Exactly. gzig said the hole is .050 and that sounds about right. I haven’t been out to the shop yet today but I’ll measure mine when I get out there.

WAAAAAAAAY TOOOOOOOOO BIIIIIIIIG but at the time PRW said they weren’t too big.