Bolt 1977 manifold

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brackie1
Posts: 523
Joined: Sat Dec 14, 2013 1:24 pm
Your car is a: 1978 124 spider
Location: Winston-Salem, NC

Bolt 1977 manifold

Postby brackie1 » Tue Sep 19, 2017 7:03 pm

Just had an interesting experience. On my 77 is a threaded bolt that fills a hole in the top of my exhaust manifold. Well the thing apparently got loose and blew out as I was driving. Fortunately I wasn't far from home. I'm curious as to why the thing is even in there? I suspect I can get another from fastenal tomorrow. Does anybody know the size and thread pattern?
Gene
North Carolina

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