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<p>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.</p>
<p>Bob<br>
</p>
<br>
<div class="moz-cite-prefix">On 2/19/2017 9:55 PM, Bruce Steele
wrote:<br>
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<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Trebuchet
MS",sans-serif">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).<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Trebuchet
MS",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Trebuchet
MS",sans-serif">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Trebuchet
MS",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Trebuchet
MS",sans-serif">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Trebuchet
MS",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Trebuchet
MS",sans-serif;color:#1F497D">Bruce Steele<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Trebuchet
MS",sans-serif;color:#1F497D">Brea, CA<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Trebuchet
MS",sans-serif;color:#1F497D">1960 BN7<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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