C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Heat Wrap

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Old Sep 28, 2004 | 03:37 PM
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Default Heat Wrap

I'm planning my exhaust system, and while on summit's webpage, I notice in their heat wraps come wiht a disclaimer, "Using a heat wrap will void a Header's Warranty." Why is this? What possible negative effects could heat wrap have?
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Old Sep 28, 2004 | 04:18 PM
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i'm pretty sure header wrap can rot the headers
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Old Sep 28, 2004 | 04:20 PM
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Why is that? Moisture between the wrap & header?
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Old Sep 28, 2004 | 04:33 PM
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I dug around in the search a little and now i see that heat wrap almost works too well, it holds the heat in to the point that the headers become brittle... That doesnt really sound right to me... But are their alternatives to wrapping? Any companies make LT header heat shields?
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Old Sep 28, 2004 | 04:39 PM
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You can have them ceramic coated.
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Old Sep 28, 2004 | 04:41 PM
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Any idea how much that would run?
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Old Sep 28, 2004 | 06:16 PM
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Jet Hot is pretty reasonable - I bought my Hooker 2151 Long Tubes from them this week for $600 shippped - It would have been $525 shipped but it cost me to have them weld in the o2 bungs. I know that they'll coat anything you send them I think it's only a couple hundred bucks.
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Old Sep 28, 2004 | 07:21 PM
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Same as above. Jet-hot coated hooker non-emissions headers. I think a pare of headers coated by them is between $2-250.00. I've heard the coating that (i think) headman and dyno-max use isn't good and will start peelind after a sort time. The jet-hots are for life.
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Old Sep 28, 2004 | 10:38 PM
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I think i'm gonna give the wrap a try... My vette is just a weekend car so the headers wont be under too much abuse...and i think wrap would be more effective then coating?
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Old Sep 28, 2004 | 10:43 PM
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Originally Posted by mikey whipreck
...and i think wrap would be more effective then coating?
My opinion is no, but thats just my opinion. The wrap will get just as hot as the headers, but does a better job of not letting that heat go any further to nearby components. You end up with hot wrap sitting there around the headers heating them even after the car is off.

The coating itself doesn't get as hot to begin with keeping the whole unit cooler. I can usually grab my coated headers with a full fist 10-12 minutes after the car has been off and its only warm. I wouldn't try it with a wrap.

p.s.

Just saw your avatar, no wonder you're confused.
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Old Sep 28, 2004 | 11:00 PM
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Originally Posted by scorp508

Just saw your avatar, no wonder you're confused.
you inspired me, I wanted to see how long it would take you to notice
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Old Sep 30, 2004 | 03:51 PM
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don't ruin your headers with a wrap. have them coated internally & externally. use a heat resistant tape like DEI on nearby components (say, within 6 inches of the headers).

p.s. i agree with Scorp508, you're very confused by the looks of your avatar.
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Old Sep 30, 2004 | 04:47 PM
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www.procryo.com they will do it for $175 and its the same thing jet hot does. they are a local shop my atlanta corvette group uses.
great family buisness. I love the job they did. Took 3 days!!!
good luck.
also you could heat wrap things such as fuel lines oil lines...etc..
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Old Sep 30, 2004 | 05:21 PM
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Okay... you talked me into it. Theres a local race shop that I think will handle coating headers. Thanks for the input.

p.s. I was having a little fun with scorps' avatar... a political discussion would get ugly so i'll stay away from that
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