Rust in tank

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Model T Ford Forum: Forum 2012: Rust in tank
Top of pagePrevious messageNext messageBottom of page Link to this message  By mike dixon on Monday, October 15, 2012 - 10:30 pm:

the 27 wont stay running cause the tank has rust and keeps stopping up the clear filter, any suggestions? thanks in advance


Top of pagePrevious messageNext messageBottom of page Link to this message  By Greg Whaley, Georgetown Ontario Canada on Monday, October 15, 2012 - 10:33 pm:

Throw a 3/8" chain in the tank and shake it around - should be able to get most of the rust out.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Steve Jelf, Parkerfield KS on Monday, October 15, 2012 - 10:37 pm:

Jack up a tractor or other wheel that will turn slowly, strap on the tank with a chain in it, and let it turn.


Top of pagePrevious messageNext messageBottom of page Link to this message  By A. Gustaf Bryngelson on Monday, October 15, 2012 - 10:44 pm:

I do not think a filter is appropriate for a low pressure system like that on the T


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jim Patrick on Tuesday, October 16, 2012 - 07:26 am:

If it is a cowl tank, I don't think a chain will work. Best to use some sort of liquid rust remover, such as muriatic acid that will reach all corners on both sides of the baffles. After you have determined that the inside is clean using a flashlight, then neutralize the acid, flush with clean water, dry with a heat gun and coat with a POR 15 tank sealer kit. www.por15.com. This is what I did in 2010 and all is still fine. Jim Patrick

PS. I have used muriatic acid for 42 years as a rust remover and prefer it over all others, but it is dangerous and there are safer rust removers that many here prefer and can recommend.



Top of pagePrevious messageNext messageBottom of page Link to this message  By Steve Jelf, Parkerfield KS on Tuesday, October 16, 2012 - 08:08 am:

Jim, that tank looks like it would let all the gas leak out.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jim Patrick on Tuesday, October 16, 2012 - 10:12 am:

:-)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jem Bowkett on Tuesday, October 16, 2012 - 10:30 am:

The Model A boys all seem to swear by dropping a 'cow-magnet' into their cowl tanks. But sticking any powerful magnet on the outside of the tank will attract all the rust particles to stick there and not go down the fuel line.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Tuesday, October 16, 2012 - 10:36 am:

Mike; The 26-27 cowl tanks are not being reproduced, but nice used ones can be found. I used to have 2 or 3. Can't remember if I have any left.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Tuesday, October 16, 2012 - 10:41 am:

Mike; By the way, it hasn't been confirmed, if you have an open car or a closed car.
Didn't the closed car have the tank under the seat in 26/27.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Layden Butler on Tuesday, October 16, 2012 - 12:01 pm:

A standpipe on the outlet will raise the point where the gas exits the tank, usually an inch or 2 will keep clean gas flowing out while the dirt settles below on the bottom of the tank. Harder to do on a cowl tank where the outlet fitting is horizontal but still do-able.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jerry VanOoteghem on Tuesday, October 16, 2012 - 12:11 pm:

Jem,

I don't think rust sticks to a magnet.

Mike,

For any Model T tank that you can buy, the answer is always to get a new one. The cowl tanks are another story. I have had very good luck with a 1924 Buick tank that I took to Gas Tank Renew. They opened it up, (3/4 holes), sandblasted the insides, resealed it and coated it with a very thick black substance. It has been excellent for the last two years. Their normal practice is to coat the outside as well, which you may not want on a tank that only barely fits in the space provided to begin with. Just specify that the outside is to be untreated, as I did.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dave Young in Mays Landing, NJ on Tuesday, October 16, 2012 - 01:14 pm:

l used 10 pounds of #4 birdshot to clean the inside of my '26 cowl tank. I poured it in there and spent the next week or so turning it around by hand. The shot is small enough to get into all of the chambers and not get stuck. The amount of crap that came out was amazing. However, the idea of strapping it to a slow moving wheel is fantastic!


Top of pagePrevious messageNext messageBottom of page Link to this message  By Michael J. Wilcox on Tuesday, October 16, 2012 - 01:21 pm:

Try this posting back in 2010 "Cleaning rust from tanks"

http://www.mtfca.com/discus/messages/118802/177431.html?1292731170

Has anyone tried the "Electrolytic Rust Removal Method"? It works great on motorcycle tanks by placing the electrode through the filler hole using a cork. I was going to try it on my tank under the seat.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jim Thode Chehalis Washington on Tuesday, October 16, 2012 - 02:40 pm:

Michael,
The Electrolytic Rust Removal Method would work well on an open tank without baffles. It would not work in the back compartments of the 26-27 pictured above. The anode needs pretty much a line of sight access to all the rust to removed.

The other thing is not to seal the opening with the cork. The process gives off hydrogen gas and you need to allow that to vent.

Here is the process on a motorcycle tank:
http://cm400bobber.webs.com/fueltankrustremoval.htm

Jim


Top of pagePrevious messageNext messageBottom of page Link to this message  By mike peterson on Tuesday, October 16, 2012 - 05:24 pm:

I have a really nice one on ebay, look under gunman63, you'll spend more on screwing around with one than its worth


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Tuesday, October 16, 2012 - 05:40 pm:

Mike;
What's the ebay number?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jim Thode Chehalis Washington on Tuesday, October 16, 2012 - 06:17 pm:

Richard,
Here you go:
http://www.ebay.com/itm/26-27-model-T-gas-tank-/360495703692?hash=item53ef37e68c &item=360495703692&pt=Vintage_Car_Truck_Parts_Accessories&vxp=mtr

Jim


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Tuesday, October 16, 2012 - 09:13 pm:

Thanks, Jim.


Top of pagePrevious messageNext messageBottom of page Link to this message  By mike peterson on Tuesday, October 16, 2012 - 09:54 pm:

i have a real nice one on ebay, look under gunman63


Top of pagePrevious messageNext messageBottom of page Link to this message  By mike peterson on Tuesday, October 16, 2012 - 09:55 pm:

opps didnt see the other post, i didnt think i posted, sorry


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jim Patrick on Wednesday, October 17, 2012 - 07:18 am:

Richard, in answer to your question (in case no one else has answered you), the Fordor is the only 26/27 style with the tank under the seat (as the Fordor has a revised '25 Fordor body). All other styles have cowl tanks. I'm still not sure what type Mike Dixon has. Jim Patrick


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Wednesday, October 17, 2012 - 08:05 am:

Thanks Jim;
I knew some 26/27 T's had the under the seat tank.
Richard


Top of pagePrevious messageNext messageBottom of page Link to this message  By Roger Karlsson, southern Sweden on Wednesday, October 17, 2012 - 08:09 am:

The TT's also kept their tanks under the seat until the end.


Top of pagePrevious messageNext messageBottom of page Link to this message  By John Danuser on Wednesday, October 17, 2012 - 09:44 am:

the TT tank is Oval and its being built NEW


Top of pagePrevious messageNext messageBottom of page Link to this message  By mike dixon on Thursday, October 18, 2012 - 06:45 am:

I have the 27 coupe, the tank is in the cowl, I feel its just a small amount of rust, there was a clear filter arrangement on the outlet of the tank also. Is that advised?, think im gonna pull the tank, a friend has a radiator shop, said he would boil it out for me. thanks for all the responses


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dan Hatch on Thursday, October 18, 2012 - 01:13 pm:

Before you "boil it out" Look at the area where any felt pads were to stop movement. That is where they rot out first. Look at gunman63, new/used tank it most case is best and cheapest way out. Dan.


Top of pagePrevious messageNext messageBottom of page Link to this message  By John Haynes on Sunday, October 21, 2012 - 02:21 pm:

Hello Mike,
A process I have used with great success is using hot water and lye (sodium Hydroxcide). Use one pound of the lye with each gallon of hot water. I used about 1 1/2 gallons. Clean out as much rust and dirt as you can with air and or water. On a hot summer day with lots of sun, use very hot water and add the lye to the water and be careful of any reaction that takes place, wear goggles and gloves. Pour the mixture into the tank, make sure to plug the outlet and put the cap in so the solution does not leak out. Don't use a pot metal cap. Shake the tank and let sit on one side after about 30 minutes to an hour rotate the tank so the mixture has a chance to contact every surface inside the tank, top and bottom and sides. After 30 minutes on each side, drain out the mixture and flush with hot water three times. Then let the tank dry, using a shop vac to pull more air through the tank works very well. When dry you are done. I would not use any tank coating. The only place I use a tank coating is on the oil pan after it has been bead blasted. You will be surprised just how little rust or dirt can cause the coating to bubble up and peal off, you really don't want that to happen in your gas tank. The product is the same used in hot tanks at machine shops.


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