Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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#473199 08/17/22 02:57 AM
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Grease Monkey
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Grease Monkey
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Posts: 6
Does anyone out there have experience, good or bad, with any of the commercially available fuel tank sealing kits. I know POR 15 and Eastwood are highly advertised, but are there others that may be better?

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ChatMaster - 6,000
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ChatMaster - 6,000
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My theory is if it rusted replace it but if it is only dirty cleaning is fine.
Tony


1938 1/2 ton Hope to drive it before I retire
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Grease Monkey
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Grease Monkey
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Posts: 6
Thanks Tony. That’s my philosophy too, but I’m having trouble sourcing one that looks right (it’s a speedster build) and it’s not too bad, just getting very fine sand like rust. I’m running it through two fuel filters, one before the vacuum tank and one after to see if that fixes it. I’m hoping it’s just surface rust that will clear up. But thanks for the reaffirmation a new tank is probably the way to go.

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ChatMaster - 3,000
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ChatMaster - 3,000
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About 3 years ago, I cleaned out a motorcycle gas tank with nuts and bolts in a solution of straight Dawn dish soap. I tumbled it around for 10 minutes or so, a couple of times, and then rinsed it out. It has not re-rusted yet.

(Let me put on my Rube Goldberg hat)

Maybe you could do the same by mounting the gas tank on an engine stand, hook it up to an electric gear motor, and let it spin for you slowly.

I read somewhere on the internet that Dawn dish soap leaves a super thin coating on the inside of a gas tank.

Only time will tell.

Dean


Dean 'Rustoholic' Meltz
old and ugly is beautiful!



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Shade Tree Mechanic
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Shade Tree Mechanic
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My other hobby is motorcycle tanks, I only seal as a last resort. Say if I have a.vintage tank that is not replaceable. I've used por 15, Eastwood, redcoat, and more. I've had issues with a couple of them and have seen a ton of tanks with sealer coming off and fouling carbs etc. I just had my 1930 tank boiled out at the radiator shop and he soldered a seam that was leaking.

If I was doing it myself I would do the nuts and bolt trick with some evaporust or similar then rinse. Seal up the tank opening and put about 5 psi to it to find pinholes. Weld or solder up

If the pinholes are tiny you can also powder coat the tank, not something I have done but a buddy that also builds bikes does it with no I'll effect.

Last edited by Primo; 08/17/22 07:16 PM.
Primo #473270 08/19/22 11:19 AM
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Grease Monkey
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Grease Monkey
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Posts: 6
Primo- I don’t have leaking, just some rust dust sloughing off and fouling the carb. I put filters in and am hoping what’s happening now is just residual that was in the lines in front of the filters. I’m going to try and clean it well as there’s not a lot of rust spots and see if I can clear up the issue. Was hoping there was good reviews on one of the systems since the Renu vendors are far and few between.


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