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midgetracer · 10-14-2021, 10:57 AM

I used Evapo rust in a Model A gas tank and it turned opaque yellow with a bright yellow precipitate. I think it reacted with the Tern coating and dissolved what Tern coating that was left. It did not work on the rust after the yellow change.

10-14-2021, 10:57 AM	#4
midgetracer Senior Member Join Date: May 2010 Location: Bismarck ND Posts: 1,189	Re: gas tank problems I used Evapo rust in a Model A gas tank and it turned opaque yellow with a bright yellow precipitate. I think it reacted with the Tern coating and dissolved what Tern coating that was left. It did not work on the rust after the yellow change.