body panels

Hello All, I am considering acid dipping my cab to help with unseen rust. I noticed what appears to be some kind of sealant between the cab roof and cab. What are your thoughts about what would happen to this seal if I dip the cab?

Hello and happy new year! Just joined this board... I bought a 53 willys wagon 4 cyl 4x4 about a month ago.. It is all original except the wheels and tires. I am initially tackling the brakes and putting in seat belts to keep the Mrs happy then plan to get the original wheels cleaned up and...