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Old 09-24-2019, 07:50 PM
  #31  
jester_s1
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Location: Fort Worth, TX
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I've done the paper thing before. It will compress with thermal expansion of the aluminum and then get loose. It will blow out eventually, leaving your muffler bolts loose. If you had the firesight to locktite them, you will wind up with an exhaust leak that is simple enough to fix. If you didn't, your muffler will probably fall off in flight unless you notice it soon.
I haven't used an exhaust gasket for years. I figure the tiny bit of leakage from not having one isn't going to hurt anything, and I know that there is no gasket there to compress and blow out. If you really feel the need to seal it up, use some high temp form a gasket applied very thinly. I used to do that, and never had a problem. It's just that now I don't care enough anymore to bother.
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