how to remove rust from under car floor?
I have my 38 Chevy apart.I’m new at body restoration work.Frame has been sand blasted and painted.Now I want to clear the body under side of rust before putting the body on the chassis.The body is on a low cart.I was thinking of sanding, brushing and treating with acid, but all this is over head work.I was thinking of sand blasting, but if I want it done right I usually have to do it myself and have no sand blaster.Again working over my head anyway.How do most of you do this type of job?I’m not a POR15 believer (sorry).