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Old 07-16-2016, 03:19 PM   #1
mshmodela
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Default Muffler Clamp

I noticed a few weeks ago my car sound just a tad louder than normal... Not like a hole in the muffler... well I think I found the source:



You can see the blacking near the clamp..

So are the muffler clamps etc from the suppler ok? I typically buy from Synders.


Thanks
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Old 07-16-2016, 03:23 PM   #2
goodoldvic
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Default Re: Muffler Clamp

I would put a bolt and nut on that sucker and go
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Old 07-16-2016, 03:23 PM   #3
Gary WA
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Default Re: Muffler Clamp

Yes good ones.
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Old 07-16-2016, 04:01 PM   #4
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Default Re: Muffler Clamp

You need both bolts, make sure you have the manifold and muffler lined up perfectly, and that you don't have that clamp on upside down (it looks correct in your photo).
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Old 07-16-2016, 04:34 PM   #5
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Default Re: Muffler Clamp

Great thanks all!
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Old 07-17-2016, 12:38 AM   #6
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Default Re: Muffler Clamp

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try brass nuts when you replace the missing bolt.
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Old 07-17-2016, 11:11 AM   #7
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Default Re: Muffler Clamp

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try brass nuts when you replace the missing bolt.
Bob
I've order a new clamp and copper gasket but for now, the bolt with the missing nut is in place (not lost) , so I've removed the other bolt and nut (amazing what a QTIP of PB Baster will do on threads) to get a matching replacement nut... The bolts and their threads are in decent shape so I might just see how that works... I'll see if I can find a bass nut locally --thanks!
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Old 07-17-2016, 11:39 AM   #8
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Default Re: Muffler Clamp

Just use a standard steel bolt and nut and put never seize on the threads.
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Old 07-17-2016, 12:00 PM   #9
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Default Re: Muffler Clamp

Is that clamp on correctly? It looks like it is upside down or am I seeing things?

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Old 07-17-2016, 12:47 PM   #10
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Default Re: Muffler Clamp

Bratton's sell a muffler paste that comes in a tube. Anytime I install a muffler clamp I put a bead of paste in the groove on each clamp piece. It makes a good seal when it hardens. If when I have reason to remove the clamp I clean out all the hardened paste and apply new.

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Old 07-17-2016, 12:52 PM   #11
Brentwood Bob
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Default Re: Muffler Clamp

I believe #9 is correct. The smaller radius goes on the exhaust pipe side. And The clamp probably does not need to be replaced, so I would not buy parts until I diagnosed the problem.
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Old 07-17-2016, 01:08 PM   #12
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Default Re: Muffler Clamp

I usually use the inside sleeve along with a gob [ technical term] of exhaust paste when installing that clamp. I also double nut them just for the heck of it.

And as said, the joint needs to line up almost perfectly.
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Old 07-17-2016, 01:17 PM   #13
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Default Re: Muffler Clamp

Quote:
Originally Posted by Tom Endy View Post
Bratton's sell a muffler paste that comes in a tube. Anytime I install a muffler clamp I put a bead of paste in the groove on each clamp piece. It makes a good seal when it hardens. If when I have reason to remove the clamp I clean out all the hardened paste and apply new.

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Old 07-17-2016, 02:26 PM   #14
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Default Re: Muffler Clamp

The clamp looks correct as pictured. The longer taper goes down.
I use a dab of muffler cement around the inside of the pipe flange.
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Old 07-17-2016, 03:05 PM   #15
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Default Re: Muffler Clamp

I could not find any brass for now I grabbed some stainless and added two lock washers...
Did not over tighten it... just snug.... Silenced up the car! I wonder if the car might have been sucking in some of the exhaust from the Zenith (if so, if possible, a heat/less oxygen feedback if you will....)

She drove fine..

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Last edited by mshmodela; 07-17-2016 at 06:13 PM.
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Old 07-17-2016, 04:03 PM   #16
Mitch//pa
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Default Re: Muffler Clamp

Sucking the exhaust back into the carb can foul the plugs black
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Old 07-17-2016, 04:40 PM   #17
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Default Re: Muffler Clamp

I wouldn't use stainless without anti-seize. It may gall and you will have a time getting it off again.
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Old 07-18-2016, 08:21 AM   #18
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Default Re: Muffler Clamp

"Someone" is making clamps that doesn't require NUTS. The Dog saw them "somewhere" while he was surfin'----
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Old 07-18-2016, 03:11 PM   #19
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Default Re: Muffler Clamp

Any thoughts about the best way to orient the clamp? One part front, one part back; or one inside, one outside; or obliquely oriented; or doesn't matter at all? I've seen it all different ways, but obliquely seems more common in my experince.
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Old 07-18-2016, 04:16 PM   #20
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Default Re: Muffler Clamp

Quote:
Originally Posted by ModelABum View Post
Any thoughts about the best way to orient the clamp? One part front, one part back; or one inside, one outside; or obliquely oriented; or doesn't matter at all? I've seen it all different ways, but obliquely seems more common in my experince.
Think about how it might have been assembled in the factory.

https://www.youtube.com/watch?v=PZnGWJ_6BwU

If it was easy for them - then perhaps orient it to be easy for you?

Of course according to the video, the body was off when the muffler was attached.

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