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Joined: Dec 2012
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Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Dec 2012
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The gas tank on our '27 Landau has a fair bit of rust in it and we're wondering what would be the best approach to get the rust out ? I know that with smaller gas tanks, tumbling them (in the Wife's dryer) with some abrasive inside the tank works well, but for a large gas tank like this, I am not sure what would be the most effective approach ? Any and all ideas and advice would be greatly appreciated.
Once we get the rust out, I was thinking of using a product called Kreem to coat the tank. Is this a good or bad idea? Here's the link to the website: www dot kreem dot com
Greatly appreciate the advice.
Chuck
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Joined: Nov 2006
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ChatMaster - 2,000
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ChatMaster - 2,000
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If/when you use some kind of sealing, Tank Sealer or similar, be aware of the danger of dissolving the sealer after some time using gas in any mixture with ethanol. The higher volume of ethanol, the higher and faster risk for dissolving the coat. Result: Trouble with your gas lines and carburettor parts. Do not store a car tank with gas containing ethanol, during non-driving season. Use ONLY gas without ANY ethanol added!!! Ethanol "likes to collect water" and this will create rust inside the tank over time.  
Solan G, # 32797
Take advantage in your hobby by being member of VCCA!
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Joined: Dec 2012
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Shade Tree Mechanic
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Shade Tree Mechanic
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Solan,
Thanks very much for the tip! If we use a tank sealer, we'll be sure to only run standard (non-ethanol) fuel.
Any thoughts on how best to get the rust out of the tank ?
Chuck
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Joined: Dec 2001
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Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
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If you have a radiator shop that will work with you, that is where I would take the tank. If you are a do it yourself type, select several stones that will fit through the filler. If you have a tractor you can strap the tank to one of the tires and let it idle for a while with the wheel jacked up, or drive it around a bit. You would be wise to also purchase a gallon of MET for the final cleaning. Solan means well and his advice is good, however I have 14 vehicles that are fueled with the Ethanol blended fuel and do not have any problems. Back to the tank, when it is very clean inside (don't use sections of chain, as they may catch on the pickup tube or baffle and you may not get it out without cutting the tank open) I would seal the inside with any of the current tank sealer products. The RED and BLUE ones are the suggested. They are all resistant to the current fuel and you should not have any difficulties. The older vehicles that use rubber in the fuel lines,and the fuel pump that has never been replaced with the new materials currently available are the ones that cause you grief.  
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Mar 2013
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Shade Tree Mechanic
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Shade Tree Mechanic
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Depending on how much rust your talking about, on my tank it was just a small amount on the bottom. I put a 1/2 gallon of Carburetor Cleaner let it set for a while. I put some of the chain with ruff edges inside the tank and just shook it up. Removed it all. If its a lot rust and not deep set I would take it to a Radiator Shop and have it dipped.
For long storage, but less than a year I use a stabilizing additive to keep the gas in shape
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Joined: Dec 2012
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Shade Tree Mechanic
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Shade Tree Mechanic
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Ray & Jerry,
Thanks very much for the excellent advice! We'll take the tank off in a few days here, and see how things progress.
Chuck
Last edited by Chuck64; 03/15/13 09:29 PM.
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ChatMaster - 1,500
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ChatMaster - 1,500
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If you have a radiator shop that will work with you, that is where I would take the tank. If you are a do it yourself type, select several stones that will fit through the filler. If you have a tractor you can strap the tank to one of the tires and let it idle for a while with the wheel jacked up, or drive it around a bit. You would be wise to also purchase a gallon of MET for the final cleaning. Solan means well and his advice is good, however I have 14 vehicles that are fueled with the Ethanol blended fuel and do not have any problems. Back to the tank, when it is very clean inside (don't use sections of chain, as they may catch on the pickup tube or baffle and you may not get it out without cutting the tank open) I would seal the inside with any of the current tank sealer products. The RED and BLUE ones are the suggested. They are all resistant to the current fuel and you should not have any difficulties. The older vehicles that use rubber in the fuel lines,and the fuel pump that has never been replaced with the new materials currently available are the ones that cause you grief. 
Ed
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