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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

View Poll Results: Should headers be coated
Yes 55 78.57%
No 15 21.43%
Multiple Choice Poll. Voters: 70. You may not vote on this poll

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Old 02-02-2011, 10:46 AM   #1
brantley847
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Coated headers

Is it really necessary? My main concern is engine bay heat especially with a CAI without a scoop....

I am crunching numbers here to afford the Kooks, and the coating is a hefty price...

Anyone with experience have any input?
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Old 02-02-2011, 10:51 AM   #2
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Coatings are just for looks imho, unless your setup really suffers from high IAT's.

unless your have something really hot under your hood (i.e. a supercharger sitting on top of your engine), they aren't really necessary.

I'd save the money and put it towards something else.

I'm sure some internet know-it-alls are going to chime in and say otherwise though.
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Old 02-02-2011, 10:54 AM   #3
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Yea it is just going to be bolt ons for me, no SC.

I am just looking into LTs, Exhaust, and CAI. They do look good coated, no doubt about that. However, that is a good 200 I could save towards something else like you said...
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Appearance:Smoked side markers and black bowties. Blk / Blue Carbon Fiber interior trim.

Next in order: F14s, 3.70 gears, DSS Axles, End links/Toe rods/trailing arms, Ported heads, S/C.







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Old 02-02-2011, 10:58 AM   #4
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Nothing you have to have. I definately like my headers coated but I was willing to speend the extra $275 to keep them looking good. If you aren't as worried about looks and it doesn't fit the budget.....then pass on it.

After all, it's not like you can't take them off and have them coated later down the road if you just had to.
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Old 02-02-2011, 11:03 AM   #5
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Mine are coated and I wouldn't have it any other way. I love the clean look.
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Old 02-02-2011, 11:03 AM   #6
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I've read many articles that claim they've shown more power in the dyno cell when going from uncoated to coated headers. If you aren't worried about corrosion, and just about heat, then it just seems to me that coatings are going to add more material to the header tube thickness, so it should insulate it more. I've run stainless coated shorties, painted mild-steel mids', and raw and primered/painted LTs, and it seemed the primered/painted LTs were a little cooler under the hood. I cannot substantiate that though, as my temp' gun didn't go high enough under load. Wrapping would probably be best, but I've read some possible bad corrosion problems with that.

I say, that you try to find the money for the best coating you can find. I read about some coating that was in GMHTP (http://www.swaintech.com/) that was super thick and looked pretty good. They didn't do any testing regarding temperatures or anything, but this was an alternative I've seen. Just continue your research and draw your own conclusions. Coatings seem to help in many other parts of the engine, so I imagine the have quantifiable potential on headers, too.

JMVHO.
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Old 02-02-2011, 11:18 AM   #7
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It is a daily driver, not a show car. I don't care what it looks like underneath. However, Corrosion and heat issues are a concern. Seems to be split 50/50 across the board with opinions....I would like to keep this car for a very, VERY long time. So corrosion could be a main reason to purchase...

I have noticed some sites offer to have connection pipes coated as well, I can see headers but don't know if I see a point in connections...
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Appearance:Smoked side markers and black bowties. Blk / Blue Carbon Fiber interior trim.

Next in order: F14s, 3.70 gears, DSS Axles, End links/Toe rods/trailing arms, Ported heads, S/C.







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Old 02-02-2011, 11:23 AM   #8
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Don't mean to jack the thread Brantley, but your dog is beautiful! I have a 1 year old GSD at home, he's my buddy!

I prefer the look of coated headers, simply because I like a nice clean engine bay.
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Old 02-02-2011, 11:31 AM   #9
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LOL we asked about the same question. LOL

I think I'm going with with coated headers just to keep the temps down. IMHO
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Old 02-02-2011, 01:49 PM   #10
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Quote:
Originally Posted by Steelsinger View Post
LOL we asked about the same question. LOL

I think I'm going with with coated headers just to keep the temps down. IMHO
Yea I saw your thread right at the same time, I was hoping some more venders would chime in...

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Originally Posted by Tantalizer43 View Post
Don't mean to jack the thread Brantley, but your dog is beautiful! I have a 1 year old GSD at home, he's my buddy!

I prefer the look of coated headers, simply because I like a nice clean engine bay.
Yup, she is 11 months as of yesterday so not far behind yours! She is finally getting past the chewing and nipping stages...thank God because she was wired so high and crazy as a puppy. GS are no joke, you have to keep up with the exercise. I look outside and she is doing laps around the yard at about 100 mph. I am a little shocked she hasn't tried to dig her way out though...my last GSD was a male and always wanted out of the yard......then we took away his manhood.
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2011 2SS/RS
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Appearance:Smoked side markers and black bowties. Blk / Blue Carbon Fiber interior trim.

Next in order: F14s, 3.70 gears, DSS Axles, End links/Toe rods/trailing arms, Ported heads, S/C.







1100 7/02 Ordered
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Old 02-02-2011, 02:07 PM   #11
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It is a 50/50 thing. I personally like coating and about half our customers go with it. It keeps the heat down, and the header looking great. We dynoed a car recently with coated headers, and you could touch the header 5 mins after the dyno. It had cooled down that much. Not so with uncoated stainless. That being said, I don't think anything is hotter than the cast iron under the hood..so I don't think not coating your headers is the end of the world.
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Old 02-02-2011, 02:11 PM   #12
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I really Like the Ceramic Metallic Coating on the headers.

We have Seen Clutch line fluid boil with LT headers in high temp climates and long periods of Idle time in traffic.

Coating the Headers Eliminated it in 2 Cars that we seen this on.

It does significantly reduce underhood Temps.

We offer it as an Option on any of the headers we sell.

We can do a Set of BFEs coated for less than Most.
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Old 02-02-2011, 02:14 PM   #13
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Thanks!! Now my mind is made up....now if I can get my wallet pried out of my wifes hands. LOL
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Old 02-02-2011, 02:18 PM   #14
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I wouldn't worry about coating the rest of the exhaust. Stay with stainless steel, and you won't have a problem. I see perhaps you get some salt, so that's the safest bet. T304 doesn't rust and will stay together longer than the car will. After seeing your later posts - I think you're on the right track. Distract the wifey and get the wallet They're smart to keep our wallets, lol
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Old 02-02-2011, 02:56 PM   #15
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Quote:
Originally Posted by brantley847 View Post
my last GSD was a male and always wanted out of the yard......then we took away his manhood.
God I hope that helps! Mine goes in for "surgical manhood removal" in exactly one week!

And you're right, I really underestimated how much exercise they need!

OK, back on topic!
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Old 02-02-2011, 03:06 PM   #16
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Maybe you can win another gift certificate?

Oh, wait, that'll take a year to get it in the mail!!

I'm puttin my order in as soon as my tax return is deposited into my account I'm getting the coating, but that is because I show my car. If you don't care about looks, go ahead and pass and use the cash toward something else! I'm sure you have a long list just like the rest of us!
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Old 02-07-2011, 12:02 PM   #17
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Yea, I will probably end up going that route then...I will just sell my body for a few days...
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Appearance:Smoked side markers and black bowties. Blk / Blue Carbon Fiber interior trim.

Next in order: F14s, 3.70 gears, DSS Axles, End links/Toe rods/trailing arms, Ported heads, S/C.







1100 7/02 Ordered
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Old 02-07-2011, 05:49 PM   #18
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Coating is one of those topics that will always be debated. I personally have never had coating on the four sets of ARH headers I have ran. I currently have a set on a 600rwhp supercharged Corvette without any heat issues even in the middle of winter. The only reason I would personally coat a set of headers is for appearance. However on the flip side, coating won't hurt anything so it's really up to you.
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Old 02-07-2011, 06:20 PM   #19
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Coating is one of those topics that will always be debated. I personally have never had coating on the four sets of ARH headers I have ran. I currently have a set on a 600rwhp supercharged Corvette without any heat issues even in the middle of winter. The only reason I would personally coat a set of headers is for appearance. However on the flip side, coating won't hurt anything so it's really up to you.
How about header wrap?
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Old 02-07-2011, 06:37 PM   #20
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I had my headers coated. I am glad I did because my supercharger makes a lot of heat and it's good to help keep the temp. down in the engine bay.
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Old 02-07-2011, 08:17 PM   #21
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Thumbs down Don't go cheap!!!

Come on.....life is short, what's a small amount of dough ($) to protect your header & Camaro investment??? Oh, you want to replace your rusty exhaust manifolds with future rusty headers.....
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Old 02-07-2011, 08:22 PM   #22
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You don't need to have them coated. Plain and simple. Does it help ? Yes but millions of people run then uncoated without issue since they began installing them on the first Flintstone mobile. I certainly would not let not being able to get them coated effect the purchase of a set of ss headers.
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Old 02-08-2011, 11:46 PM   #23
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Is coating needed on a 304 grade stainless steel?...no. Does it help? ... yes. I had mine coated and am glad because of how new they look even though they are a year old. It will also help keep underhood temps down later when i get a PD supercharger. It will not help a 304 SS header last longer. A 304 SS header will last forever because of what it is made of not because of the coating. That is why it is not needed but is a plus to do. It is however a must do for anyone getting a mild steel header. Even then the coating will come off and the header will rust and fall apart. The heat coming off a mild steel header is so great that coating is a must for that reason as well.

The short simple answer is if you are getting a quality header made of 304 SS then it is not needed but a plus on looks and underhood heat. If you are getting a mild steel header then it is a for sure must do mod.
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Old 02-08-2011, 11:52 PM   #24
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I prefer coating...mostly for cosmetic reasons.
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Old 02-09-2011, 09:23 AM   #25
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Quote:
Originally Posted by VADER SS L99 View Post
Is coating needed on a 304 grade stainless steel?...no. Does it help? ... yes. I had mine coated and am glad because of how new they look even though they are a year old. It will also help keep underhood temps down later when i get a PD supercharger. It will not help a 304 SS header last longer. A 304 SS header will last forever because of what it is made of not because of the coating. That is why it is not needed but is a plus to do. It is however a must do for anyone getting a mild steel header. Even then the coating will come off and the header will rust and fall apart. The heat coming off a mild steel header is so great that coating is a must for that reason as well.

The short simple answer is if you are getting a quality header made of 304 SS then it is not needed but a plus on looks and underhood heat. If you are getting a mild steel header then it is a for sure must do mod.
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I prefer coating...mostly for cosmetic reasons.


I agree. I plan to have mine coated so they'll look nice for many years to come.

M
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