I also have experience with coating stainless manifolds. it does not stay on well. stainless expands and contracts too much. the coating will flake off in some areas of extreme heat. still worth doing as most will stay on.
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want a piece of the yellow car? (buy it)
you have to beat the blue car first
and then you have to take on the IV
my favorite quote
"if the solution is simple, God is answering"