WTB: Brass E9 / E3 Expansion Tank

Markos

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Hi Piers,

I have some that I am having professionally restored. I’m about 30–60 days out. They are going to the radiator shop this week. They are going to get split, minor dents addressed, and resoldered. If you resolder a tank without splitting it, the joint will fail in the future. The corrosion works from the inside out.

I will be painting and applying stickers, and adding new caps. These are cheaper than what you would pay a restoration shop, but still not inexpensive.

5 are spoken for so I should have about 3 or 4 left...

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Drew Gregg

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Radiator tank looks good. Let me know how much for one. I just bought a new cap for my plastic one. Thanks!
 

eriknetherlands

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Hey @Markos, I see you have refreshed a few brass tanks around 2019; I'm curious to learn how you went about refreshing the original cap?

I'm have 4 of these tanks, but i haven't been able to seperate the lids into their individual pieces to be able to re-zinc the top part.
It looks like the central pin in the cap is a rivet, pressed flat on 1 end. Did you cut it and replace it with a new pin, or did you do something else to it?
 

Markos

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The cap is new.

Correct. This is what they look like vapor blasted. You could spray clear on it but it definitely looks like nicely blasted metal and not a zinc coating. Vapor honing and glass beads in general seem to give metal a sparkle. I glass beaded (no water) the fresh chrome on my Petri and if kind of sparkles also (see below). I would just get a new cap.

Vapor honed:
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Glass beaded chrome:
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Drew Gregg

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Mark--Back to the coolant tank. I bought a restored brass tank with satin black paint. It looks good and there are no leaks. But the hose nozzle is pointing toward the firewall instead of toward the radiator. That makes my hose twice as long to get to the radiator. Can a competent radiator shop position the nozzle in the correct position w/o taking the tank apart?
 

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bavbob

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But the hose would only be a bit shorter and kind of draped in your way when working on that side of the car. I find it to be a PIA. The enemy of good is better!
 
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