Okay, perhaps I can take enough time to give a full synopsis of my situation.
First of all a bit about the engine. It has JS Forged flat top pistons running at approximately 10.1: 1 static compression, Web 312a cam on flat tappets and AMR anti-wet sump and PRV mod.
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Well, my money is on the AMR section of that. Certainly, I think the answer lies in the timing chest rather than the crank and bearings.
One question, in addition to all of that AMR mod entails, you may or may not have considered the total volume of oil that ends up in the timing chest. Meaning the amount that accumulates over a period of running.
And you may or may not have addressed engine breathers and the blocking of the oil/air holes between the crank area and timing chest, depending on your choice. I'm sure you told us before what you have settled on but I don't recall, though maybe it was a Mikes XS type valve to the rear of the timing chest? In which case your inner air paths should be open. (if you went with a NYC Norton or CNW reed then they should be closed.
Odd that you mention you are waiting on an oil pump gasket, but they have been fitted incorrectly before, completely or partially blocking oil holes. I can only guess you are considering checking the oil pump. I doubt it is your problem. Considering what you spent elsewhere, I hope it is a new one!
I hope you ordered a timing cover gasket and seals too, you may have had high start up pressure and popped the crank seal, though you don't mention your gauge showing that happen! If it has popped it won't recover, you will lose oil pressure and the oil level in the timing chest when running will be too high, which leads me to......
......one mod that can be found somewhere in Jim Comstock's output is adding a drain hole lower in the case around the oil pump area to control maximum oil level. I think it makes sense to keep timing chest oil volume down, or if a large volume of oil collects, it gets very hot in there.
I would show a photo of the drain hole I drilled in my Maney cases, but the location isn't relevant because my engine mounts vertical in the Rickman.