1948 Firestone 3.6hp. Is the gas tank aluminum? Should I use muratic acid for ru

This topic has 5 replies, 6 voices, and was last updated 3 years, 11 months ago by retiredoz.

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February 12, 2022 at 1:06 pm #254492
Hooklinelure123
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February 12, 2022 at 1:16 pm #254493
Mumbles
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You don’t want muriatic acid anywhere near an aluminum tank or you will be looking for a replacement tank before you can get the top back on the container. Is the tank magnetic?
February 12, 2022 at 2:15 pm #254496
dave-bernard
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Yes they are aluminum.
February 12, 2022 at 3:35 pm #254497
frankr
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Well, I’d swear they are steel. That’s why they rust so badly. Your mileage may vary.
February 12, 2022 at 7:57 pm #254520
Tom
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Frank’s got it right. steel tanks on the Scotts, Firestones, and Corsair motors of that era.

T
February 14, 2022 at 6:52 pm #254599
retiredoz
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The book says starting in ’48, the Scott tanks were steel on the top and the bottom was cast aluminum, glued together with a special plastic adhesive. I’ve had many where the seams were JB-ed after they sprung a leak, apparently the adhesive had a shelf life. If the ’48 Firestone had the older tank, it was all lead-coated steel..
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