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When you own a lathe, every problem looks like a turning project [Ford 1720 Oil Leak Update]

So... I decided to pull the hydraulic pump and attack it straight on...

There it is...
There it is...
Photo: Me myself and I Inc
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I cleaned up the area with brakecleen a little more, and then probed the plug with a pick...

That little fucker.
That little fucker.
Photo: Me myself and I Inc
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So.. It’s aluminum, and tapered with a flange at the top. I HAD A BRAINWAVE.

I OWN A LATHE.
I OWN A LATHE.
Photo: Me myself and I Inc
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The small aluminum stock requires the 5C chucks...
The small aluminum stock requires the 5C chucks...
Photo: Me myself and I Inc

I turned the flange at the top of the new one 3 thousands over.

Old
Old
Photo: Me myself and I Inc
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New
New
Photo: Me myself and I Inc

Lets tap that fucker in nice and tight.

Thats tight. I actually sanded it down a little, ‘cuz it wouldn’t start as it came off the lathe at 3 thou over.
Thats tight. I actually sanded it down a little, ‘cuz it wouldn’t start as it came off the lathe at 3 thou over.
Photo: Me myself and I Inc
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Roughed up the block with some emory cloth and then capped all three (even the non leaking ones) with some high temp RTV
Roughed up the block with some emory cloth and then capped all three (even the non leaking ones) with some high temp RTV
Photo: Me myself and I Inc

I’m’a let that set overnight, then reinstall the hydraulic pump. I would say something like “I dare that little bastard to leak now!” but I know better than to tempt a recurring oil leak like that, so instead I’ll just pray it stays leak free.

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