Hi . I thought I had posted a question relating to the door on my 68 Olds 98 conv but cant find it so here goes . I bought this car 3 1/2/years ago have stripped it to bare metal ,bought all the NOS and parts I could find plus 3 donner cars for parts. I am now putting it back together,there was lot of rust most of which I can handle . My question is passengers door after removing the sealeant has rust between the frame and outerskin ,is there any way to remove this without taking the skin off door which I dont want to do, its not rusting thru the metal but i want to stop it now ?