Paint it! The paint should hold up as good or better than on the engine
if it's done right, and that's how the factory did it.
Bob
On 2/19/2017 9:55 PM, Bruce Steele wrote:
>
> I?m interested in my options for finishing my intake manifold. It was
> powder coated clear 12 years ago, and the coating has yellowed at the
> head flanges from heat, and over the years what look like rust spots
> have developed in the powder coat, which is odd since the manifold is
> cast aluminum (see the attached photo).
>
> I?d prefer to preserve the natural cast aluminum color, and I?m not a
> big fan of the chrome or polished look on the intake (my apologies to
> all you out there with nice shiny intake manifolds?it?s just not my
> taste). I had the exhaust manifold Jet-Hot coated in a cast iron gray
> 12 years ago, and they still look great. So, Jet-Hot coating the
> intake is one option, but the color samples they sent me of their
> lightest grays are all at best a medium gray; all considerably darker
> than their online color catalogue indicates. I?m going to call them
> Monday, but I?m not sure they have a coating light enough.
>
> I also don?t want to paint it, as I know that won?t hold up long
> term. I?m curious about blasting the clear powder coat off and
> leaving the manifold uncoated. How does the ?naked? aluminum hold up
> to the heat? What have others done? Your experience is appreciated.
>
> Bruce Steele
>
> Brea, CA
>
> 1960 BN7
>
>
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