How to take the coating off a Milodon oil pan

Just saw this thread and remember i had a post about testing a mixture like evaporust but like 1/15th the cost.. i just put it up and thought i would mention it incase you guys ever need more.. they charge too much for that.
https://www.forabodiesonly.com/mopar/threads/better-than-evaporust-and-way-cheaper.580077/