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Old 07-30-2018, 01:16 PM   #188 (permalink)
ratgreen
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Join Date: Jan 2017
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In regards to the OP. What temperature does polyurethane degrade? I've read that its 107'C. Would the mating surfaces of the intake manifold stay below that?

I love this idea, almost purchased a sheet of phenolic sheet to make my own spacer by hand but PU mold would be way easier.
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