Any good paints or coatings for exhaust manifolds ? - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 11-17-2010, 05:18 AM   #21
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Personally I'm gonna heat wrap the manifold and DP.
Not sure about the turbine case, I got the thing, but I've read that there are some cooling down problems with it.

Last edited by miatasc; 11-17-2010 at 05:30 AM.
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Old 11-17-2010, 11:25 AM   #22
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Originally Posted by RyanRaduechel View Post
looks like it
Very nice car!!!
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Old 02-24-2011, 09:00 AM   #23
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I have a Greddy manifold on the way and I don't want to put much money into it.

High Temp Powder Coating is rather expensive around here ( so far)

Are there any paints that will last me at least for a few months .

Thanks

BTW. Soon after I posted this. I bought some Home Despot BBQ paint ($4.59/can) and painted the hot side of the turbo and the down pipe. Both are holding up fine. Only issue is that the black paint on the turbo turns into a sort of dark beige but it is holding up fine.
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Old 02-24-2011, 09:31 AM   #24
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I have a begi mani and turbine that they ceramic coated silver. It turned um dull whitish gray. After 3 years, it looks pretty good. A few rustish spots but overall pretty good. FWIW I peak around 1700 degrees EGT.
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Old 02-25-2011, 12:23 PM   #25
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On a previous car, I had the manifolds coated by Jet Hot. This would've been 2004ish. They were done in what at the time was their 2nd-highest temp range...and in blue.

Two owners, two turbos and one exhaust later, and those manifolds are still blue, albeit a slightly lighter shade.

Post-Katrina experience with the nearest Jet Hot (Mississippi) location wasn't so great (three tries and they never got the order correct). Maybe you'd find decent results with a different location.
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Old 02-25-2011, 12:45 PM   #26
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One thing to note about jet-hot--

On their website, I saw that they coat the inside of the parts too. Not sure that is a great idea.
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Old 02-25-2011, 12:50 PM   #27
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I just got a price quote from jet hot

For a compressor/turbine:
$120 for extreme sterling apiece
$160 for JH2000 apiece
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Old 02-26-2011, 09:55 PM   #28
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Quote:
Originally Posted by Faeflora View Post
One thing to note about jet-hot--

On their website, I saw that they coat the inside of the parts too. Not sure that is a great idea.
Yeah, that sounds familiar. If I recall correctly, my manifolds and crossover pipe (connected the manifolds on the V6, fyi) weren't coated inside. I'll see what old pictures I can dig up for any sort of confirmation.

*edit* Found exactly what I needed...and it seems my memory sucks. Manifolds and xover did have coating inside. Never had any issues from it, though.
Name:  manixover.jpg
Views: 3
Size:  38.9 KB
This is when new.

...and to show durability, here's a shot of the front manifold about four years later when some of the underhood piping got redone.
Name:  newbay3.jpg
Views: 3
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Replacement pipe and blue downpipe were done locally after Jet Hot screwed up thrice.

Everything from the downpipe back was coated inside (sterling finish that you noted). Didn't have any housings coated.
The Sterling held up really well on the post-turbo bits aside from scratching due to install/teardown & general hands-on stuff done in the garage.

I'll check with my buddy to see what we used on the housings...

Last edited by juxt3r; 02-26-2011 at 10:08 PM.
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Old 02-27-2011, 01:09 AM   #29
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pics of the sterling? very interested in that
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Old 03-03-2011, 04:38 PM   #30
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I can say from experience that Jet coating is worth the money, but if you're on a budget there's no shame in just getting the manifold coated, and then wrapping the down pipe.

My suggestion if you decide to wrap anything is to let the wrap soak in water for a while, and wrap it while wet. Once it dries it will get nice and tight.
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Old 03-03-2011, 06:59 PM   #31
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Sorry for the delay. Here is the only shot I have of the Sterling coating. This is when new:
Name:  manidown.jpg
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