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Old 12-08-2020, 08:56 AM   #132
jaros44sr
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Join Date: May 2006
Location: Philadelphia, Pa. 19454
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Re: Headers to 2.5" Ramhorns

Quote:
Originally Posted by Green Monster View Post
Thanks for providing a photo and explaining. This might be an obvious answer but what are U shaped washers(?) behind the manifold bolts designed for? I don't have them. Are they necessary?
Imho, they are the best way of preventing the exhaust manifold mounting bolts from getting loose( OEM )

Usually, you would run 2 or 3 heat cycles, then bend the small tabs over, locking the bolts in place
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Last edited by jaros44sr; 12-08-2020 at 09:10 AM.
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