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General Category >> Rubber Side Down! >> Exhaust Wrap as gasket?
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Message started by cheapnewb24 on 12/29/15 at 11:32:17

Title: Exhaust Wrap as gasket?
Post by cheapnewb24 on 12/29/15 at 11:32:17

Can exhaust wrap also be used as a gasket/filler material?

How well does it guard against burns compared to the stock set up?

Does it work as well as the stock guards?

Title: Re: Exhaust Wrap as gasket?
Post by Kris01 on 12/29/15 at 16:54:22

Why would you want to do that? Just get the proper gasket.

Title: Re: Exhaust Wrap as gasket?
Post by cheapnewb24 on 12/29/15 at 18:20:39

Ugghhh!..... ::) Because I was thinking of doing the Dyna muffler mod. Is the tin can gasket a better idea? What kind of gasket are you talking about? My Dad is doing a similar thing with his Shadow. What other products would do the job well? What size of muffler clamp do I need? I don't even know what color wrap I want yet ::).

Title: Re: Exhaust Wrap as gasket?
Post by Kris01 on 12/29/15 at 18:50:14

I covered my muffler joint at the header with 500-deg high temp silicone and then wrapped it in aluminum foil. Another thin coat of silicone to hold the foil together while I wrapped all of that in thin sheet metal. The tin can method didn't work for me. I think the can was too thick. Then I clamped it all together with stainless clamps I found at Home Depot. They're actually meant to clamp rubber to PVC but they ARE stainless and have held up just fine for thousands of miles. I think they are 1-3/4". To check for a leak just hold a candle around the joint. The flame will tell you if the exhaust is escaping and blowing the flame.

Title: Re: Exhaust Wrap as gasket?
Post by Kris01 on 12/29/15 at 19:01:22

It's called a shielded coupling. I don't remember whether or not I used the metal insert but I definitely pulled the rubber out.

http://www.homedepot.com/p/Fernco-1-1-2-in-EPDM-Rubber-Shielded-Coupling-P3001-150/100372289

http://www.homedepot.com/catalog/productImages/400/21/21a44589-6199-4b84-b413-33c4745f50cf_400.jpg

Title: Re: Exhaust Wrap as gasket?
Post by WD on 12/31/15 at 20:34:47

Woodstove or fireplace door gasket. Flat rope type -or- ribbon putty type.

Title: Re: Exhaust Wrap as gasket?
Post by Kris01 on 12/31/15 at 21:27:15

WD, that stuff is about 1/2" thick. Think it would still work?

Title: Re: Exhaust Wrap as gasket?
Post by WD on 12/31/15 at 22:05:48

023B203A7978490 wrote:

WD, that stuff is about 1/2" thick. Think it would still work?

I can get it here as thin as 1/16". Old time (real) hardware store. Can also get off cuts at a local foundry/forge/fab shop.

You need to go at least 1/32" thicker than the ring on the pipe. Affix with wire. Force muffler onto pipe, material compresses and forms a true tight seal.

Title: Re: Exhaust Wrap as gasket?
Post by Kris01 on 12/31/15 at 22:30:14

Excellent idea! I've used the stuff before (not as an exhaust gasket) but didn't know you could get it so thin.

Title: Re: Exhaust Wrap as gasket?
Post by Serowbot on 01/01/16 at 08:15:01

If you want to avoid the can cutting,.. I would try aluminum foil...
When I have to do it again, that's the way I'm going...

Title: Re: Exhaust Wrap as gasket?
Post by Kris01 on 01/01/16 at 12:30:26

013823397A7B4A0 wrote:

Yep. Works great with no leaks. I never could get the can method to stop leaking.