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Joined: Jun 2017
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Backyard Mechanic
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OP
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Installing gas tank on '32. Got new straps from TFS. Should there be any material between the straps and tank?
1932 Chev 5 Window Coupe
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Joined: Nov 2001
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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OP
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OK Thanks. Are there supposed to be a couple of rubber pads above the tank?
1932 Chev 5 Window Coupe
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As JYD posted above there should be NO material between the straps and the body and that includes rubber pads. Some restorers do add rubber or fabric insulators and as he stated then a ground strap is necessary. Using an insulator allows the tank to be completely painted and possibly less prone to rusting. Even the paint will cause the tank to have a poor ground and for that reason I opted to add insulators under my straps and a ground wire and paint the tank. I don't think there is a right or wrong way to install them other than personal preference whether you want them as they were from the factory or if you feel painting the tank will help to prevent rust.
Last edited by m006840; 11/01/18 02:34 PM.
Steve D
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OP
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Gas tank was originally not painted? Bare metal?
1932 Chev 5 Window Coupe
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Good question and I do not know so will be interested in the answer.
Steve D
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Originally the tanks were tin or zinc plated steel not painted. Outside was basically the same as the inside. Today zinc plating is probably the best option to simulate the original surface.
How Sweet the roar of a Chevy four!
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Backyard Mechanic
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Dose anyone know of any source for an exact copy of the original gas tank?
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I doubt if you will find a new "exact copy" of the original gas tank. It is almost impossible to find tin plate sheet steel today. Most of that has been replaced by galvanized steel.
This is also the reason that there are some sources for reproduction tanks made from a lower grade of stainless steel. The material holds up well over time and does not have the white powder created when zinc oxidizes to protect itself. Plus it is readily available from warehouses.
My limited experience with replacement tanks has been that while the overall shape and dimensions are the same, there are often subtle differences that require some work to install the tank.
We recently replaced the fuel tank in a '49 3100 pickup. We had to modify the mounts in the truck because the tank itself was more "square" than the original. The original tank had a lot more angle/taper between the base and the drawn sides. This made it wider in the area that sat in the mounting saddles. Also the filler neck was not oriented correctly to fit into the opening in the body.
Rusty
VCCA #44680
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