I would slather on the Naval Jelly and let it go to work. Might take a few applications
I did a rusty boat trailer that looked a lot worse than that and it worked pretty good, saved a lot of work
and I am jealous. great find there!!
Ok Joe Offset, New Braunfels El Dorado, Weber OTS 22.5 & 18.5, (2) Master Forge Charcoal, Auber ATC, charcoal retort Weber drum rotisserie