Any good paints or coatings for exhaust manifolds ?
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 |
high temp spray paint??? ever seen a can of it???
i use it all the time.... works great :D |
Works on an Exhaust manfold ?
What brand do you use ? |
I sand blasted my manifold and compressor housing and used VHT high temp spray paint. 2 months later it’s just starting to show rust. I've yet to use a spray paint that holds up.
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I'd recommend a heatshield (TDR) or thermo wrap...exposed header is not a wonderful idea, especially when summer comes back.
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Originally Posted by SlideRuler
(Post 654560)
I'd recommend a heatshield (TDR) or thermo wrap...exposed header is not a wonderful idea, especially when summer comes back.
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i had my greddy cast manifold and turbo housing ceramic coated.
while it still looks decent, it does not look like it once did. Attachment 192875 |
Begi will do it for less than 200 in ceramic good to 1800 degrees. Do it.
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high temp paing will peel. the manifold heat cycles more than anything on the car and even the 2000 vht paint will not hold up
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What about something like Jet-Hot coatings? http://www.jet-hot.com/headercoatings.html
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I've seen Swain White Lightning hold-up on turbo racecars.
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chrome?
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Originally Posted by hustler
(Post 656788)
I've seen Swain White Lightning hold-up on turbo racecars.
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Originally Posted by shlammed
(Post 657835)
i have requested info from swain about general racing products... i will see what their response is.
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aw shit... i just sold myself with that email didnt I?
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I used BBQ heat paint on the manifolds on my Dart, after 2 years they still look pretty good. Although they arent as black as the used to be, a little fadded, but no rust.
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I painted mine myself with TechLine Black Satin Ceramic coating. Seems to hold up very well. I sand blasted the parts first and I baked it on in a pottery kiln at 750F but I think it would bake itself on with just exhaust heat if done right.
http://www.techlinecoatingswebstore....r_Coating.html Bob |
yeah, I had mine machined for flatness, sandblasted, then baked in an oven, then painted. Stuff like this you need to take the time and make sure it is clean and preheated to the required specs or it just wont last.
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do you have an oil pressure gauge attached to your hood? |
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looks like it
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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. |
Originally Posted by RyanRaduechel
(Post 658225)
looks like it
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Originally Posted by poobs
(Post 654193)
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. |
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. |
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. |
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. |
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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Originally Posted by Faeflora
(Post 694334)
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. *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. Attachment 190693 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. Attachment 190694 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... |
pics of the sterling? very interested in that
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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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Sorry for the delay. Here is the only shot I have of the Sterling coating. This is when new:
Attachment 190620 |
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