yeah - they have a surface prep solution that you are supposed to use. I used POR 15 on the frame of my Harley - I did not use the prep solution but I was careful to get the frame very clean - over 10 years later and it is fine.
sweet. this year the goal is to tackle the body work fully, and I was trying to figure out what to do about the stuff covered by the quarter that I can't a paint after the quarter is installed