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Old 04-02-2024, 03:49 AM   #38
fortyonerag
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Join Date: Sep 2016
Location: Melbourne Australia
Posts: 546
Default 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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