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Old 10-23-2007, 11:12 PM   #1
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Default spray paint on mild steel?

would it be possible to use some high temp spray paint on the mild steel i plan on using for my exhaust and charge pipes? i was looking for aluminized steel but couldn't find any suppliers with straight up prices so decided to get some mild from summit. I know that it has to be covered or it will oxydize and that most people powder coat, but could the high temp be a cheaper alternative?
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Old 10-23-2007, 11:17 PM   #2
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Yes. The high temp paint might flake on the exhaust depending on how close it is to the turbo. BBQ paint is cheap stuff, it withstands heat well.
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Old 10-23-2007, 11:18 PM   #3
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and yeah i saw what Ben posted, but he was talking about looks on aluminum, so only the outside would be required, where i need all of it painted

https://www.miataturbo.net/showthrea...g+charge+pipes
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Old 10-23-2007, 11:19 PM   #4
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is there anything i could do for the near turbo applications?
(multiple coats possibly )
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Old 10-23-2007, 11:26 PM   #5
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The high temp paint might work, i really don't know as i've never used it on anything. Ceramic coating is an option though it can be expensive.
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Old 10-23-2007, 11:36 PM   #6
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hang on a tick, this stuff says it is alluminized, yay or nay? might be for searches?

http://store.summitracing.com/egnsea...91738#footnote
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Old 10-24-2007, 12:35 AM   #7
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My intercooler pipes are mild steel. I painted them black with 1500 degree paint. No issues so far.
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Old 10-24-2007, 01:00 AM   #8
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Originally Posted by mazda/nissan View Post
hang on a tick, this stuff says it is alluminized, yay or nay? might be for searches?

http://store.summitracing.com/egnsea...91738#footnote
Have you tried a local muffler shop?

I bought 8 feet of 2.0" mild steel for $15... and no shipping charges!!!

The guy told me if I gave him a list of the bends I need he'd only charge me $15-20... I have a feeling my charge-piping/downpipe/exhaust is gonna be pretty cheap as long as I do the welding
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Old 10-24-2007, 10:00 AM   #9
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Quote:
Originally Posted by RickA View Post
Have you tried a local muffler shop?

I bought 8 feet of 2.0" mild steel for $15... and no shipping charges!!!

The guy told me if I gave him a list of the bends I need he'd only charge me $15-20... I have a feeling my charge-piping/downpipe/exhaust is gonna be pretty cheap as long as I do the welding
that might be worth looking into, cause i'm all for cheap

but how will i know if i have the interior of the pipes completely coated? use a lot and slosh around then hope for the best?
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Old 10-24-2007, 10:08 AM   #10
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You'll probably get enough oil in the intake pipes to have a nice little protective coating :gay:
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Old 10-24-2007, 10:39 AM   #11
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Most muffler shops can only supply you with crush bends, not mandrel bends. If you don't mind then it's ok, though mandrel bends are the best option.
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Old 10-24-2007, 12:40 PM   #12
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I used Duplicolor "High Heat, with ceramic" DH 1606 (here: http://www.duplicolor.com/products/engine.html) in a few places- the couple of intake pipes I had to use steel for, and the lower half of my downpipe. (The upper half is properly ceramic coated).

The paint has held up very well on the intake pipes, but it is flaking noticeably on the lower downpipe section. I'd imagine that on a manifold or upper downpipe section it would not work at all.

On the other hand, the ceramic coating on the upper downpipe section is still looking good. I had it done in an aluminum finish and while it's taken on a bit of a patina, it's not chipping or flaking at all. Even the inside is still beautiful.
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Old 10-24-2007, 12:43 PM   #13
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you can typically pick up mandrel bends at parts stores.
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Old 10-24-2007, 12:50 PM   #14
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2 things, Do not paint the inside of your IC piping, and no paint is going to be able to live inside the manifold or DP.
Ceramic caoting is what you want there, also most places will not caot preturbo incase something flakes off in a big ole chunk and causes problems that being said my stuff is ceramiced on the exterior and it is the best 100$ i ever spent aside from buying the stuff in the first place, i easily cut my temps in half. A simple engine enamel or similiar paint does a excelent job on the out side of IC piping etc. I would not worry about rusting through on the inside that would likely take a very long time even with WI my aluminized steel crossover has no rust in it what so ever after 2 yrs and damn near 60-70+ gallons of WI mix pumped onto it.. You should be fine. GL man
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Old 10-24-2007, 12:52 PM   #15
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Quote:
Originally Posted by magnamx-5 View Post
that being said my stuff is ceramiced on the exterior and it is the best 1004 i ever spent


Did they use ground-up space shuttle tiles for that?
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Old 10-24-2007, 12:55 PM   #16
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Quote:
Originally Posted by mazda/nissan View Post
would it be possible to use some high temp spray paint on the mild steel i plan on using for my exhaust and charge pipes?
i dont want to see any threads from you bashing the "retards on .net and cr" ever!
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Old 10-24-2007, 12:56 PM   #17
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Quote:
Originally Posted by Joe Perez View Post


Did they use ground-up space shuttle tiles for that?
Unicorn horns. Spendy stuff indeed.
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Old 10-24-2007, 01:01 PM   #18
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Quote:
Originally Posted by Joe Perez View Post


Did they use ground-up space shuttle tiles for that?


Whoops i meant to hit the shift button with the 4. ok class 4+shift=$ :gay:
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Old 10-24-2007, 07:57 PM   #19
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Quote:
Originally Posted by cjernigan View Post
Most muffler shops can only supply you with crush bends, not mandrel bends. If you don't mind then it's ok, though mandrel bends are the best option.
i'm gonna pie cut it and show all of you my fugly welds. Magna you said that your pipes haven't rusted from the inside yet with your aluminized steel, would mild be that much different?
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Old 10-24-2007, 09:42 PM   #20
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http://store.racing-solutions.org/mandrelbends.html

??????????????????????????????????????????????
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