Quote:
Originally Posted by Bob Kontak
Consider single stage / urethane paint and hardener, hit it with that after the epoxy paint. Any color - lol. Clear coat with hardener would be fine also.
Then schutz.
More layers to keep out oxygen.
Im speaking from no scientific basis whatsoever.
Ohhh - Fluid Film over the Wurth/U-Pol stuff. Joking but would it hurt?
My 81 had road crud (and some rust) packed up in the front inner fender in a spot which may be where you speak of. I did the same routine you are doing.
I'm curious, is the problem area you talk of in the area of where the arrow is pointing? The corrosion was in the wheel well innards, not the outer panels.

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good advice Bob, thanks. I've got some Prussian Blue I can use, just need fresh hardener. I want to paint the whole truck someday, Prussian Blue may be a good option actually.
I've tested fluid film and it works but that was on raw steel. It does of course wash away over time.
That's another area but I am referencing this one. Tub is upside down on a rotisserie. This channel collects the same dirt and water as the one engineers made in my truck. It's of course the front bumper shock mount. Would have been easy to stamp the piece of steel to close the channel and they could have just tacked to the fender well and ran a bead of seam sealer to close it completely.