POR-15 the gas tank

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BoostedGMC

Guest
I recently removed the gas tank in my TY so I could swap the stock fuel pump for a high flow warlbro pump. When I did this, I noticed some rust on the tank and a fuel sender starting to rot. I guess it was from all the water that soaked into the dirt and sand on top of the tank. So I had a buddy of mine get me the fuel sender at cost and I bought a quart or por-15,marine clean, and metal ready.

Degreased with marine clean and rinsed off with warm water.
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Sprayed with metal ready and kept wet for 20 minutes, then rinsed off with warm water as well.
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Old fuel sender

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I'm not sure what this black stuff is but it was there when I pulled the tank.

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Prepped and coated tank

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New fuel sender with high flow warlbro pump

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Finished tank

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I will be buying some tar paper to replace the old strips that go between the straps and tank. I only have one question...What should I do about sealing off the new fuel sender and the tank? I used the o-ring of course, but I would like to take a candle and melt it in and around the gap. Or maybe use some sillicone to seal it off? Just so I don't have water sitting in the gap. What should I do?
Oh yeah...Sorry for the huge pics.
 

nello

Active member
Re: POR-15 the gas tank

That shit gets everywhere!!! Took like 4 weeks to get it off my elbows. Nice work.
 
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BoostedGMC

Guest
Re: POR-15 the gas tank

Thanks man. Luckily it only stained a quarter sized spot on my arm.
 

SY2932

Administrator
Re: POR-15 the gas tank

Looking GREAT :cool:! I'm a POR-15er too :):



It's expensive but a little goes a LONG ways...

With regards to the top of the sending unit, I have always used a huge blob of grease on my trucks with great success. The lock ring looked brand new several years later on my S10 when I had to install a new tank (got rust pin holes in it). I was able to reuse the lock ring and the sending unit didn't look any worse off than when I greased it up years before.
 
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BoostedGMC

Guest
Re: POR-15 the gas tank

Thanks. The grease sounds like a good idea.


you're missing an o-ring on the return line.

Yes I am aware of that. Thank you for pointing that out though. That would have been a pain in the ass if I hadn't noticed.
 

4.3CPI

New member
Re: POR-15 the gas tank

JC Whitney sells plastic tanks. I've got one in my Blazer. No leaks or sealing issues.

Nice job, BTW.
 

SY2932

Administrator
Re: POR-15 the gas tank

JC Whitney sells plastic tanks. I've got one in my Blazer. No leaks or sealing issues.

Nice job, BTW.

Do you have the MTS one? I bought one from my old S10 several years ago and this is what I got to hold the sending unit on top of the tank:
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Seems someone at the factory thought that chopping up some conduit or a fence post into small plates, hammering them flat and then drilling them for sheet metal screws was an acceptable way to mount the sender to the top of the tank :roll:.
 

4.3CPI

New member
Re: POR-15 the gas tank

Yeah, the top looks just like that. I agree that is the stupidest way to seal it, but the tank itself is quality, and have had no leaks in over two years.
 
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