Checking valve spring heights.

You're welcome.
Have you actually measured at the valve/retainer with it all mocked up?
I bet you don't have .466 at the valve.
The rocker geometry is always off , the rockers aren't ratio accurate/correct, they are less...and then the push rod moving outward due to the 59 degree lifter angle. Lol I bet you have the .050 before coil bind min necessary.

Ok. So let's play lesser of two evils. Lol

I figured that through factory rocker arms and geometry we would lose some lift. But I wanted to play it safe.

Our exhaust valves lapped out ok, but we're pretty crusty looking.

So……

Run the exhaust the way it is, and check coil bind when all assembled?

Or……

Install exhaust valves for proper spring heights and hope they seal with a hand lap.

I love this game show. Lol

No, not really. Lol. This engines kicking our ***…but in a fun informative kinda way. Lol