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> Fuel tank cleaning/sealing, Any tips?
robkammer
post Jan 30 2022, 12:48 PM
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While I'm replacing the fuel lines on the 74 I thought I'd address the inside of the tank while I have it out. It's rusty but not too awful. The screen was pretty dirty though.
I'm leaning towards the POR15 system but have a few questions.
What's the best way to seal the tank while I'm stirring all of the solutions around inside? It's looking like a pretty good upper body workout and I would hate to interrupt the fun with leaking solvent.
Open for suggestions of other products.
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robkammer
post Jan 30 2022, 05:00 PM
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That's what I'm hearing about the POR. I'll need not to hurry the process and be sure everything is really dry. My other option is to have a radiator shop clean it out and find something to coat the inside. Forget the 'real gas' option. There are only a few stations in my area and they're not convenient. I've had good results with fresh fuel and additives with all of my cars and boats.
I also need to weigh the cost, $110 for the POR or $249 for a repro tank from 914R.
Thanks for the input!
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Superhawk996
post Jan 31 2022, 06:40 AM
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QUOTE(robkammer @ Jan 30 2022, 06:00 PM) *

My other option is to have a radiator shop clean it out and find something to coat the inside. . . . .I also need to weigh the cost, $110 for the POR or $249 for a repro tank from 914R.


Still not sure why you're wanting to coat the inside. Tank sealer rarely works. Begins to flake off later on and clogs up the in tank fuel sock. Then you're screwed!

Light surface rust is to be expected. As previously stated your tank doesn't look too bad.

Clean and treat with POR Metal prep. POR metal prep etches the steel and leaves a light zinc coating that will help prevent future surface rust. As always . . . best way to prevent corrosion is to keep the tank full.

Not sure where you're getting $110 for POR. Heres a gallon of cleaner/degreaser and a gallon of metal prep (more than enough) for $63.

https://detailingconnect.com/products/por-1...BSABEgJsOfD_BwE
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