I had the frame sandblasted and then I think all they did was blow it off and then sprayed the POR1-15 on with their gun. I am not sure if they diluted it or anything but they used 1 qt. of black to paint the firewall, all the front suspension and the chassis back to the middle of the rear door on our wagon and then I brought it home and finished the rest by brushing it on. It seemed to stay on better on the back half but between the paint not staying on and I wasn't happy with the 305 and 700R4 in it, my neighbour now owns the vehicle. We have an awfull tendency to fix up these cars and then sell them, some times even get my investment back out of it, and then start all over with a different project. I should take up model building, it takes less room and is easier on the pocket book.
I'm glad the POR-15 works good for you guys. I will use it agin but not over blasted metal without some type of primer first.
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Ontario Inliners
1940 Chev Sedan
1954 Chev Custom
1965 Chev Pick-up