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Old 10-27-2011, 11:00 AM   #1
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Default Header Wrap

1) Is header wrap a good option for reducing under the hood temperatures when buying ceramic coated jobs are completely out of the question?

If so, how does this stuff stack up?
http://cableorganizer.com/insultherm-header-wrap/
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Old 10-27-2011, 11:09 AM   #2
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It definitely helps prevent burns when you are working on a hot engine. It'll look nice at first but won't last forever especially on the bottom if you're scraping. Also don't overlap it too much or it will overheat in that area and cause the metal to bubble out to the point where it could blow out.
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Old 10-27-2011, 11:14 AM   #3
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Well then I will follow up with this. My ultimate goal is to prevent the classic burning of wires. I bought fiberglass sleeves for the spark plug boots. But I really wanted to just prevent any burning of my factory harness. Anywhere I can cut down on heat sounds like a good idea. I bought some thermal tape for where things get close to the headers but trying to figure out if wrapping the headers are justified.
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Old 10-27-2011, 10:56 PM   #4
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Remember, additional retained heat (on the surface of the headers) causes an acceleration in the reaction of the metal and O2 in the air leading to premature rusting.

So, if you don't coat the headers, painting them with that rust inhibiting paint (akin to POR15) in a rattle-can will really help stave off rust.
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Old 10-28-2011, 08:05 AM   #5
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Quote:
Originally Posted by great421 View Post
Remember, additional retained heat (on the surface of the headers) causes an acceleration in the reaction of the metal and O2 in the air leading to premature rusting.

So, if you don't coat the headers, painting them with that rust inhibiting paint (akin to POR15) in a rattle-can will really help stave off rust.
+1 - header wrap will accelerate rusting of your headers. Get some ceramic coated headers and route the wires away from them with Zip ties or looms and you're good to go.
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Old 10-29-2011, 10:35 AM   #6
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That's some awesome advice. Sure wish I asked this question prior to installing the headers and motor in my car. Well, still glad I asked.
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Old 11-01-2011, 01:47 PM   #7
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man thats crazy i would have never thought header wrap would be a lil bad for the headers ..
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Old 11-02-2011, 04:28 AM   #8
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What about stainless headers? Is it ok to do then?
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Old 11-02-2011, 07:36 AM   #9
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No - stainless is still steel and will rust when accelerated. Plus why would you want to cover up nice looking stainless headers?
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Old 11-02-2011, 06:26 PM   #10
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^^ True.... Just trying to cut down on temp.

I never could get on the coated bandwagon. (Still covers beauty) Jesus... Maybe I'm getting old

I've always looked at it as wrapped headers mean business, lol
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Old 11-05-2011, 01:03 PM   #11
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No - stainless is still steel and will rust when accelerated. Plus why would you want to cover up nice looking stainless headers?
For performance? I'm more interested at someone looking at my taillights than my engine.
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Old 11-07-2011, 07:41 AM   #12
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For performance? I'm more interested at someone looking at my taillights than my engine.
Some of us like to keep our engine bay looking good and then smoke'em on the way home. There is ZERO performance difference from a set of ceramic coated headers to a set of wrapped headers.
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Old 11-07-2011, 02:36 PM   #13
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Some of us like to keep our engine bay looking good and then smoke'em on the way home. There is ZERO performance difference from a set of ceramic coated headers to a set of wrapped headers.
I don't think anyone sells stainless headers coated. And getting them done seems like a hassle and expensive.
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Old 11-07-2011, 04:56 PM   #14
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I was all about the header wrap simply to cut down on heat in the engine bay and to not melt wires that were routed close to them... I was putting on new kooks SS headers and i spent 4 hours wrapping them. man they looked nice and it would have lasted...... EXCEPT for i could not get the driver side header in with the wrap. no matter what i did or tried it would not fit and i ended up taking it off and it slide right in.

so if you do wrap them be aware install is going to suck, and possibly tear the wrap up a bit.
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