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Home » Public Forums » GMCnet » Exhaust Leak (Black soot on the block underneath the exhaust ports)
Exhaust Leak [message #278724] Sat, 30 May 2015 13:20 Go to previous message
bhayes is currently offline  bhayes   United States
Messages: 263
Registered: March 2010
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Senior Member
We've had problems with an exhaust smell making its way into the coach. I've been working underneath the engine and noticed soot marks coming down from the exhaust ports onto the block. I'm assuming these are from a leaking exhaust gasket (I'm using Thorley headers, by the way). Here's a picture:

http://www.gmcmhphotos.com/photos/mechanical/p58026-exhaust-gasket-leak.html

Anyone think otherwise?


Bryan Hayes
'76 Eleganza II
Salt Lake City, Utah
 
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