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  #1  
Old 10-02-2002, 12:05 PM
trammell trammell is offline
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Patching a hole in muffler with metal-filled epoxy putty

My muffler has a hole in it. I want to patch the hole with some metal-filled epoxy putty. The putty I use has to be resistant to methanol. I narrowed it down to putties from Devcon and JB Weld. Unfortunately the Devcon Aluminum Putty and Devcon PlasticSteel Putty data sheets say that their methanol resistance is "unsatisfactory."

http://www.devcon.com/techinfo/101.pdf
http://www.devcon.com/techinfo/107.pdf

I can't find any data sheets on JB Weld putty. What should I use?

Thank you.
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  #2  
Old 10-02-2002, 12:09 PM
OldskoolGT OldskoolGT is offline
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Use JB weld. I use it to hold the pressure fitting in place on the pipes of my RC10GTs and it holds up fine.
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Old 10-02-2002, 05:21 PM
Einsteindks Einsteindks is offline
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Yep, clean and prep the surrounding surface, then use standard JB. The fast-dry JB is nice, but I don't trust it in extreme applications. If you can, use some on the inside as well.
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Old 10-02-2002, 05:36 PM
nitrogator nitrogator is offline
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The JB kwik-weld works great on tuned pipes. I have used it to fill a stripped pressure nipple hole on a 1/8 scale pipe. It has lasted for over a year. Just make sure to strip the pipe down to bare metal so the JB weld sticks really good. Good luck.
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