Re: Break-in gone wrong!
Pardon me for what might be a dumb comment.
I'm putting a 59A together at the moment - my first engine and not yet ready to run. I fitted 'new' Mellings oil pump that was a different configuration to stock. The pick up that accompanied the Mellings protruded down so much the sump wouldn't fit. It was not fouling with baffles, the sump would not close. I had a gap of approx 1/2". Admittedly the sump was a little stoved in - now fixed.
I compared the pickup tube I had to another and found it was about 3/4" 'deeper' than the other one.
Is it possible that your pick up is hard on the 'floor' of the sump and your oil pump is being starved for suction?
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