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Old 09-26-2019, 09:43 AM
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Originally Posted by jester_s1 View Post
...... thermal expansion of the aluminum.....
And here it is , the reason I've never lost a muffler . As we all know they expand & get loose with heat . I run an engine till it's good and warm and while it's hot I tighten it (not to the point of stripping of course) .

I never used any kind of gasket , even when one was supplied , for the whole squish/loose reason ...
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