Newbie question

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Model T Ford Forum: Forum 2012: Newbie question
Top of pagePrevious messageNext messageBottom of page Link to this message  By David Dewitt on Saturday, June 30, 2012 - 02:13 pm:

I am working on a 1926 roadster. Nobody makes a reproduction gas tank. The question is after the gas tank is cleaned, could it be brass plated and would the plating cover the inside of the tank?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Saturday, June 30, 2012 - 02:27 pm:

Once it has been properly cleaned you should not have to worry about corrosion so long as you have gasoline in the tank.

Plating is not going to adhere to the inside of the tank, and could be a real problem if it were to peel and contaminate the fuel system.

Same goes for the gas tank coatings. Not only are they unnecessary the ones I have experience with eventually come loose and clog up everything.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Steve Jelf, Parkerfield KS on Saturday, June 30, 2012 - 02:29 pm:

I don't know about brass, but I've been looking into galvanizing for some rims. The Valmont plant in Claremore could probably do the job for you. The material charge is 40¢ a pound, but the minimum charge is $232.80, which would cover the material used on a tank several times over. A new tank, if anybody was making them, would probably cost that much or more.

Contact info:
Carrie Brinkley
Customer Service
OK Galvanizing/Valmont Coatings
25055 Alliance Dr.
Claremore, OK 74019
Office: 918-266-2800
Cell: 918-698-1428

Brinkley, Carrie D. <carrie.brinkley@valmont.com>


Top of pagePrevious messageNext messageBottom of page Link to this message  By Harvey Decker on Saturday, June 30, 2012 - 06:37 pm:

Hello David

On my 26 oval tank (after proper cleaning) I used a gas tank sealant. You can Google gas tank sealants and get information that may benefit your project. My sealed tank has held up for many,many years.

Harvey ......


Top of pagePrevious messageNext messageBottom of page Link to this message  By Aaron Griffey, Hayward Ca. on Saturday, June 30, 2012 - 07:09 pm:

I have had about twenty gas tanks sealed at radiator shops in the past twenty years.
Have never had a problem but it costs $275 to get it done right.
I have also done a few the shake&bake way without a problem.
The best I have found to put in the tank before shaking and turning is short sheet rock screws.
They are easiest to get out.
A hot spray inside at the carwash & rinse at home with water and let it dry in the sun is my method. It may take a couple of days in the sun to dry it out completely.
Keep the tank full and add 4 oz. of 2 cycle oil to keep from rusting again and keep your valve guides lubed. And add a sediment bulb, you will get small particles of dirt/rust for a few weeks.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Paul Mikeska, Denver CO on Saturday, June 30, 2012 - 11:43 pm:

He He.... Aaron,

You have advised our forum members to use 2 cycle oil in a T. Do you know that the self appointed experts on this forum will berate you for this? They will tell you that it is absolutely unnecessary, a waste of money, and that you are intellectually challenged!

PS. I have used 2 cycle oil for 35 or so years in my T's with good results.


Paul


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jerry Ostbye on Saturday, June 30, 2012 - 11:57 pm:

Galvanize probably wont work.. It is first dipped in acid and might actually make the tank worse. Then it is dipped a few times in the plating and these are all very hot and may also do more damage to the tank. I had a 49 Chev that looked great but had a few pin holes and had a bit of rust inside. I had the tank acid dipped, Brazed the holes that appeared and then applied gas tank etch and then the tank sealer then let the excess run out and thouroly dry for a few days in the sun. It still takes a while before it dries all the way. I never had a problem for the 6 years I had it afterwords.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dan Treace, North FL on Sunday, July 01, 2012 - 12:24 am:

Get the tank cleaned at a good radiator shop, that should do it. Unless you can now see rust flakes and bad pits in the insides looking with a flash light, the cleaning will do it.

Putting sealer in a '26-'27 tank is about difficult at best, the inside has several baffle plates, and the internal drain tube, too much surface area. Cleaned and then keep gas in it, that will keep the moisture away to retard any rusting. Most times those tanks are good shape inside, sometimes baffles bust loose and you get a rattle though :-(


Cut-away view of '26-'27 gas tank


Top of pagePrevious messageNext messageBottom of page Link to this message  By Terry Woods, Katy, Texas on Sunday, July 01, 2012 - 12:46 am:

I think Texas T Parts or ross Lilleker is offering a cowl mount tank cleaning service. Check with them if you don't want to mess with it.


Top of pagePrevious messageNext messageBottom of page Link to this message  By John Semprez-Templeton, CA on Sunday, July 01, 2012 - 03:33 pm:

David,
I have had excellent results repairing old tanks for tractors, trucks and cars using a coating called Phenol Novolak from Caswell plating.

The process involves washing the tank with Acetone first to get any varnish out then use a phosphoric acid rinse. Caswell recommends throwing in a hand full of sheetrock screws in when sloshing the tank with the acid mix. (my experience has taught me to count the screws going in and out), next, rinse the tank with water and dry completely. A heat gun or hot day helps.

Finally mix the two part epoxy, and pour it into the tank, sloshing the coating around,up,down and all around. This process will take about 5-10 minutes. If any pin holes exist, cover with duct tape first and the coating will seal them.

The tank is then placed in the hot sun to cure.

One added advantage to using Phenol Novolak is that it will hold the baffles in place if they are loose.

The product is expensive but will provide a cleaner rust free tank than a radiator shop cleaning will provide.

Because Phenol Novolak is a thermosetting epoxy, when cured, it is impervious to most chemicals including Gasoline, alcohol, acetone, diesel fuel and aviation fuels.

Good luck hopes this helps. - John


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