I need to buy new clamps for my exhaust. Will the stainless clamps last longer than the plain clamps?
I'm sure that the stainless will look nicer where you can see them, but I'm mainly concerned about longevity and preventing leaks.
Especially the one that's underneath the truck for the dual exhaust. It's difficult to get to it so I'd rather just put whatever will last, if there is a difference.
Stainless steel or plain exhaust clamps
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Dino soar, Sep 24, 2019.
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Always pay extra for stainless.
Pay once, cry once.Blowcanner1975, pushbroom and stillwurkin Thank this. -
BoxCarKidd Thanks this.
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Yes, stainless last longer. This goes for any flex piping also.
Also pay the extra for the formed (stepped) “sealed” type, if you don’t want that little black line coming out of it.Dino soar and stayinback Thank this. -
Does anyone make a clamp(stepped or standard) that isnt so paper thin?
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The sealed versions of the clamps really only have a little piece of high temp cloth that seals the seam of the clamp where it can’t stretch. It has a waxy type feel so there could be a high temp wax, anti-seize, or something infused.Dino soar and stayinback Thank this. -
One place that I called for the clamps offered plain clamps or a stainless clamp.
Freightliner only offered me stainless clamps but it was at the right price. So I got all new stuff except for the y-pipe and the Stacks themselves.
I have heard of people putting some type of sealant like RTV, I assume on the top part where the bolts are?
Is that really necessary or if you just clamp them together will they not leak?
If you did use sealant, what would you use and where would you apply it? -
Probably anything high temp. Apply it to and around the seam.
It doesn’t have to plug much of a hole. It’s just that little bit extra. -
They make an exhaust paste. Makes slipping joints together easy, and supposed to seal up minor leaks. I’ve seen them use it at Peterbilt once. Looked like black grease. I’ve noticed it when taking apart old exhaust on my last Truck. All dried up, crumbled, to pieces. I’ve never used it, but think it’s not a bad idea. Main thing is use full round SS clamps, cheap ones break, when torqued. Always leak.
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New s pipe, no more broken flex pipes. Less movement. Note clamp
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