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Jim Whitehead · 08-07-2015, 07:48 PM

The 8.1 has the same problem. Aluminum head, stainless bolts, and cast iron exhaust manifolds. All dissimilar metals that expand and contract at different temps. A company called Karl products plus the company Dorman make repair kits for this problem. They work if the exhaust leak is caught early.

08-07-2015, 07:48 PM	#2
Jim Whitehead Member Join Date: Mar 2003 Location: MA. Posts: 288 Likes: 153 Liked 150 Times in 41 Posts	Re: Tow Vehicle Question The 8.1 has the same problem. Aluminum head, stainless bolts, and cast iron exhaust manifolds. All dissimilar metals that expand and contract at different temps. A company called Karl products plus the company Dorman make repair kits for this problem. They work if the exhaust leak is caught early.