Ground pounder, If ya got for free, it can't hurt to burn that thing out with a blazin' hot fire and see what the inside is like afterwards. Just guessing but... with the high heat plus the petro-based stuff should equal a complete removal and clean drum. Hope it works for ya!
Cookshack sm055, UDS, Smokey Joe, Southwest Pit, couple of Weber kettles, an old gasser, and a weed burner.
Gary, KCBS -CBJ
Certified Nebraska MOINK Baller, KCBS - CBJ
Semper Fi, when in doubt empty the magazine