Honda-Tech Member
Sandable primer holds moisture, so yes it will rust.
You need a epoxy primer
You need a epoxy primer
Honda-Tech Member
X2, epoxy primer is used as a sealer. Thats the best way to prevent the rust. Also, dont prime it and let it sit a couple weeks before you paint. You should paint over the primer within 48 hours.
Honda-Tech Member
Use real primer( like the one u spray) not Autozone primer.....