Quote:
Originally Posted by gtospieg
My manifolds were brand new and prepped the way POR said to do it, including baking them in the oven. I'm pretty sure the silver stuff was called POR 20. This was in 2013.
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Yeah that's just really strange and honestly unheard of around the car circles I'm involved with. Maybe a bad batch of POR, or maybe prep issues?
I've never done anything special to the manifolds when I use it. Just glass bead, brush on, install on car, that's it. Even on old used manifolds the stuff has held up perfectly.
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