Re: POR-15 failure
used por-15 on my brand new headers, washed with tsp, from the grocery/hrdwre store and hot water, dried over night, sanded with 240 grit sandpaper applied 1 coat that covered well......peeled in 2 weeks makes the whole engine bay look like a frekn gook machine gunned it. built a few trailers, older camper frames...rusty....sanded lightly to remove loose rust, washed with hot water and tsp and coated with hammerite from the hrdwre store's, great stuff.
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1990 chevy 4x4 with a 1940 IHC body
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