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Mike Peters · 07-10-2019, 04:23 PM

Chris: I found the same info as you. Says the clamp was unchanged throughout production, but the two bolts went from fine to coarse thread in August of 29.

Hope you are enjoying that roadster on these hot summer days! mike

07-10-2019, 04:23 PM	#2
Mike Peters Senior Member Join Date: Aug 2012 Location: South East Wisconsin Posts: 1,279	Re: AR Muffler Clamp? Chris: I found the same info as you. Says the clamp was unchanged throughout production, but the two bolts went from fine to coarse thread in August of 29. Hope you are enjoying that roadster on these hot summer days! mike