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What material is used inside the heat shield of the stock 951/951S Exhaust manifold?

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Old 08-23-2015, 11:10 PM
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ehall
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Default What material is used inside the heat shield of the stock 951/951S Exhaust manifold?

Hey guys. Before I go into battle on a set of these, is there asbestos or something, inside of the heat shielding? I don't like the idea of dealing with asbestos, but if there isn't any, cool! TIA
Old 08-23-2015, 11:34 PM
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Jay Wellwood
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Even if there is, you can take some reasonable precautionary control measures.

Use a simple soapy water mixture in a mist application using a spray bottle to control the material if you are concerned. Asbestos is only an issue if it becomes airborne.
Old 08-23-2015, 11:44 PM
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ehall
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Well yeah, but only a little has to get airborne. not a fan of that stuff. My best friends Dad died from Mesothelioma.
Old 08-24-2015, 01:15 AM
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JET951
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I have removed them quite a few times, i don't like the look of the stuff. If i was to hazard a guess i would say its asbestos(even if it isn't i treat it as asbestos). Its pure white in colour and very fibrous. i soak the thing in soapy water before i cut the shields off and wear a very good mask.
Old 08-24-2015, 01:28 AM
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Humboldtgrin
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I thought it was aspestos but it's probably fiberglass.
Old 08-24-2015, 03:17 AM
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ehall
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Originally Posted by JET951
I have removed them quite a few times, i don't like the look of the stuff. If i was to hazard a guess i would say its asbestos(even if it isn't i treat it as asbestos). Its pure white in colour and very fibrous. i soak the thing in soapy water before i cut the shields off and wear a very good mask.
Thanks, Sean! or is it Bruce? Not sure.
Old 08-24-2015, 11:45 AM
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Tom M'Guinn

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Elliot, since you are taking yours apart, maybe get one of these kits and let us all know Link is to ACE hardware since they're everywhere, but the kit is even cheaper (under $10) on the internet... We can even start a little collection to cover your cost. Would be great to know for sure...

http://www.acehardware.com/product/i...pla=pla_983150
Old 08-24-2015, 01:28 PM
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ehall
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lol. Theoretically, I'm trying NOT to take it apart, but I want to inspect it for cracks. I'm certain that it is cracked, and I want to eyeball it, but ugh. Nice kit though!
Old 08-24-2015, 01:38 PM
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jc in rb
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Find a ceramics supply place and get some ceramic fiber blanket, its good up to 2400 f. wear a mask when you work with it.
Old 08-24-2015, 04:16 PM
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Humboldtgrin
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You Check them for leaks by making end caps and putting an air fitting on one.
Old 08-24-2015, 04:56 PM
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CO951
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Wear a mask or respirator when working with it, it is only a problem if you breath it in.
Old 08-24-2015, 08:42 PM
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ehall
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Originally Posted by Humboldtgrin
You Check them for leaks by making end caps and putting an air fitting on one.
In terms of end caps, any suggestions for something cheap and easy to fab up, meaning no metal work. Something plastic ish or similar. Thanks!
Old 08-24-2015, 09:41 PM
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Tom M'Guinn

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Originally Posted by ehall
In terms of end caps, any suggestions for something cheap and easy to fab up, meaning no metal work. Something plastic ish or similar. Thanks!
Check with Crazy Eddie. He made up a testing station with a kiddie pool where he'd dunk them under water and look for bubbles. Worked like a charm, just can't remember how he sealed the ends. But I know Eddie, so I'm confident he used something free that was laying around the house...
Old 08-24-2015, 10:06 PM
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Crazy Eddie

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Hummm the older I get the more brain cells I lose
I think I use drain plugs that I had used for testing my pools re plumbing ?
Then I shot compressed air in and saw the bubbles rise
That damn # 2 and 3# crack at the branch ...
Believe it or not if you clean them very well i.e. lacquer thinner and then duct tape them close flush, they will seal up very well for a short test...
Good luck
Regards
Ed
Old 08-25-2015, 10:22 PM
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ehall
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Originally Posted by Tom M'Guinn
Check with Crazy Eddie. He made up a testing station with a kiddie pool where he'd dunk them under water and look for bubbles. Worked like a charm, just can't remember how he sealed the ends. But I know Eddie, so I'm confident he used something free that was laying around the house...
...and probably pre-cleaned in an autoclave!


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