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Old January 18th, 2010, 10:49 PM   #1
wave_crusher
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Default What can I use to paint a set of headers?

I picked up a set of headers for my 96 silverado, they're in good shape but they rusty and need a good cleaning...

I'm gonna glass bead blast them but I'm not sure what to use to coat them with, I thought about getting them powder coated but I think that would make them not dissapate heat as well, i've heard that there is some kind of epoxy or something that you can coat them with, let it air dry then bolt them to the truck and let it get to op temp, which bakes the coating on. what is it or is there someting else good to use?

Thanks
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Old January 18th, 2010, 10:57 PM   #2
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get em ceramic coated if you want it to last a while
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Old January 19th, 2010, 12:07 AM   #3
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paint normally works good for a job like that lol...but x2 on getting them ceramic coated
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Old January 19th, 2010, 12:23 AM   #4
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i always use john deere muffler paint its the only stuff i found that doesn't burn off
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Old January 19th, 2010, 08:44 PM   #5
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I got them blasted and they're in in really nice shape, didn't have any bad pits or anything, i was talking to a guy I know and he said to use VHT (not really sure what it is)

Do I have to prime them before I put anything on?
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Old January 19th, 2010, 10:26 PM   #6
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not usually unless the paint your using has a hi temp primer to go with it but it's usually a one step process. but be prepared to do it often because paint and heat usually burns off. duplicolor has 1500* paint but i call bs because it burns right off my sled's pipe and my egt's never get over 1280 at the y pipe
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Old January 20th, 2010, 10:08 AM   #7
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Quote:
Originally Posted by tom77cj5 View Post
not usually unless the paint your using has a hi temp primer to go with it but it's usually a one step process. but be prepared to do it often because paint and heat usually burns off. duplicolor has 1500* paint but i call bs because it burns right off my sled's pipe and my egt's never get over 1280 at the y pipe
That VHT is supposed to be really good stuff to use on engine parts that get hot, it's supposed to be baked on or run unitll the engine gets up to op temp which will bake it on as well, its supposed to have ceremamic resin in it which is what needs to be baked to fully cure
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Old January 20th, 2010, 12:23 PM   #8
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I used the VHT flame proof paint on a cast iron stove grate. The grate is exposed to direct flame, the paint has lasted five years now without burning off. Should work well on headers as long as it's cured right.
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Old January 20th, 2010, 09:37 PM   #9
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I used the VHT flame proof paint on a cast iron stove grate. The grate is exposed to direct flame, the paint has lasted five years now without burning off. Should work well on headers as long as it's cured right.
Any idea if there is a certain amount of time you have to bake the headers so the coating will cure right? I mean, after i spray it on and it get dry to the touch do I only have a short amount of time to get them put on and heated up?
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Old January 21st, 2010, 08:23 AM   #10
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The curing instructions are on the can. I believe that the paint air dries then needs to be baked. I'm not sure about how long you have between painting and baking the paint. If you have shorty headers just cure them in your oven, That's what I did. It worked great.
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Old January 21st, 2010, 08:27 AM   #11
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http://www.vhtpaint.com/flameproof.html

Some good info.
If you go this route, keep us posted. I'm sure there are many sets of rusty headers out there.
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Old January 21st, 2010, 10:52 AM   #12
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VHT is great stuff!! Used it on both of my quads for the exhaust pieces and on the header for my Jeep. Has been on for a long time and no burning at all. I also added primer before painting, then on my header used the high temp clear coat to finish it off.
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Old January 21st, 2010, 11:03 AM   #13
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I used POR (paint over rust) on mine and it has seemed to work so far.
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Old January 21st, 2010, 02:42 PM   #14
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Quote:
Originally Posted by IgoCommando View Post
The curing instructions are on the can. I believe that the paint air dries then needs to be baked. I'm not sure about how long you have between painting and baking the paint. If you have shorty headers just cure them in your oven, That's what I did. It worked great.
Yea, i've got shorty headers, i think i'm going to use the engine enamel though, you don't have to bake it as much, and with the flamproff stuff it has to be baked at 650*, my oven only gets 500* lol

I was gonna see if i can just use my normal oven to bake them one anyway haha

Would the engine enamel be just fine too or should I use the flameproof one?
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Old January 22nd, 2010, 06:38 AM   #15
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I would use the flame proof. For the last curing at 650 I just used the self clean setting and it worked great. Worked out great the paint didn't really leave any fumes in the oven and the wife was happy that I cleaned the oven.
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Old January 22nd, 2010, 02:45 PM   #16
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I have heard of people having good luck with BBQ grill paint. Never tried it myself though and not sure if you can get any color other than black.
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Old January 22nd, 2010, 03:02 PM   #17
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X2 on the VHT. My header pipe on my quad used to be glowing after a hard run- rusted out a couple of them. Painted the last 1 5 years ago with that stuff and never had a problem. Still looks brand new after a wash!
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Old January 22nd, 2010, 09:35 PM   #18
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x3 on the VHT .
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