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What are the benefits of ceramic coating the plenum

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Old 06-09-2001, 03:53 PM
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What are the benefits of ceramic coating the plenum

im thinking of having my plenum ceramic coated ,i got a good deal on it,what are the benefits if any.

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Old 06-09-2001, 04:04 PM
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um.....it looks sweet??

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Old 06-09-2001, 06:08 PM
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If you coat it on the INSIDE, that will probably give you a small benefit. The air would be able to "glide" better on a smooth coated surface then the porous cast aluminum surface.

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Old 06-09-2001, 07:51 PM
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Plus if the inside is coated the EGR gasses (If running egr) won't as readily build up on the casting...

Old 06-10-2001, 02:52 AM
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I'd get a heat-barrier coating put on first(exterior of plenum) and then a 'finish' on top of that(heat-barrier usually comes in flat-black). Wouldn't hurt to do the same to the runners and base(especially the bottom of the base).
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