I'm not so sure about this high temp paint issue. I researched a lot when I wanted to paint my motorcycle engine. I eventually found somewhere where they just used an ordinary single stage paint. I figured I would give it a try. I painted the engine with a single stage Dupont paint and although I haven't driven the bike a lot, I did take it on a 6 hour run and back another 6, so definitely the engine was up to temperature for an extended period.
Till now, no problems at all. I used an epoxy primer, then the single stage.
Woodrow
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