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Can you braze exhaust pipe?

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Can you braze exhaust pipe?

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Topic: Can you braze exhaust pipe? (Read 224 times)

Josh

Newbie

Karma: 0
Posts: 3

Can you braze exhaust pipe?

« on: July 21, 2008, 04:43:54 PM »

My dp is shot at the first flex piece.So i bought another flex pipe off ebay to throw in its place.I cut
the old flex out...I know i can clamp both ends with exhaust clamps but ill still have an exhaust leak.
Can i take some flux wire and my torch and braze the flex pipe to the Dp?I dont have the cash for
a new dp right now....or the money to have it welded at a shop.

Also how do i get the 02 sensors off, i have 3 of them holding the dp in there.Do i just wrench them
off like a bolt?I need this pipe to last me atleast a month before ill be able to afford another one.

Right now i have a junk flex pipe wedged in there from autozone, but i want to replace it with the
actual flex pipe piece that i have.Any help would be great.Thanks


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Sroufe7

Sr. Member

Karma: 15
Posts: 369

Re: Can you braze exhaust pipe?

« Reply #1 on: July 21, 2008, 08:08:04 PM »

Aluminum doesn't like the heat of the exhaust system, so I'm gonna have to say it won't work.


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william coppage

Member

Karma: 0
Posts: 55

one day I will show you a swap

Re: Can you braze exhaust pipe?

« Reply #2 on: July 21, 2008, 09:31:28 PM »

youll eat a hole in it only way would be a tig and that might still be to hot i would just clamp it what a leak anyways


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maybe ill get to drive it one summer lol

Shiano

Hero Member

Karma: 24
Posts: 1393

Re: Can you braze exhaust pipe?

« Reply #3 on: July 21, 2008, 10:09:26 PM »

Quote from: Josh on July 21, 2008, 04:43:54 PM

...or the money to have it welded at a shop.

Any GOOD shop will only charge you $20 or less for those TWO welds.

There are 3 kinds of muffler shops here where i live.

Great work. Not the prettiest, but damn good welding (Least Expensive) - Childer's Muffler
Blah work and Blah welding (Midground on the price) - Baldy's Muffler
Great work. Show room type craftsmanship and good welding (and expensive as hell) - Curtis Muffler

At Childer's, to put on my muffler and the exhaust tip i bought for it, was $20. And it wasn't just an easy "ok, here here and here. I'm done" job either. He had to make a couple of custom pieces to better fit the exhaust pipe to the muffler.

Ask around. Let them know you just need a simple weld in two spots.


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Sroufe7

Sr. Member

Karma: 15
Posts: 369

Re: Can you braze exhaust pipe?

« Reply #4 on: July 22, 2008, 01:44:19 AM »

yes...i would ask around...

But it might be a little more spendy if it's in a tight spot and a pita to weld around.


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Shiano

Hero Member

Karma: 24
Posts: 1393

Re: Can you braze exhaust pipe?

« Reply #5 on: July 22, 2008, 09:55:28 PM »

not really. plus he can always take it off and have it welded at the shop and then put it back on. It's just the first flex pipe basically, right?


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Sroufe7

Sr. Member

Karma: 15
Posts: 369

Re: Can you braze exhaust pipe?

« Reply #6 on: July 22, 2008, 11:11:53 PM »

Quote from: Shiano on July 22, 2008, 09:55:28 PM

not really. plus he can always take it off and have it welded at the shop and then put it back on. It's just the first flex pipe basically, right?

taking it off without at least tack welding it together, can cause alignment problems later.


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Shiano

Hero Member

Karma: 24
Posts: 1393

Re: Can you braze exhaust pipe?

« Reply #7 on: July 23, 2008, 11:24:19 AM »

hmm. i'll trust you on that one. lol. ESPECIALLY since it's a v6 DP. Wink


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mal2000

Newbie

Karma: 0
Posts: 7

Re: Can you braze exhaust pipe?

« Reply #8 on: July 23, 2008, 12:08:49 PM »

I took mine to the muffeler shop and he charged me ten bucks to braze mine up.


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Sroufe7

Sr. Member

Karma: 15
Posts: 369

Re: Can you braze exhaust pipe?

« Reply #9 on: July 24, 2008, 12:51:06 AM »

Quote from: mal2000 on July 23, 2008, 12:08:49 PM

I took mine to the muffeler shop and he charged me ten bucks to braze mine up.

They may have welded it, but I bet they didn't braze it Wink


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Shiano

Hero Member

Karma: 24
Posts: 1393

Re: Can you braze exhaust pipe?

« Reply #10 on: July 24, 2008, 02:07:21 AM »

The best explanation i could find quickly was concerning bicycle frames.


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Sroufe7

Sr. Member

Karma: 15
Posts: 369

Re: Can you braze exhaust pipe?

« Reply #11 on: July 24, 2008, 02:37:32 AM »

Quote from: Shiano on July 24, 2008, 02:07:21 AM

The best explanation i could find quickly was concerning bicycle frames.

And bicycle frames run hot exhaust gases through them?


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Shiano

Hero Member

Karma: 24
Posts: 1393

Re: Can you braze exhaust pipe?

« Reply #12 on: July 24, 2008, 09:42:50 PM »

sigh. did you click on it to read it? lol

It told about over heating the metal, basically fatiguing it and it breaking just before the metal where the pipe becomes the weakest [welding].


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