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From digest.v6.n719 Sun Jun 1 22:18:24 1997
From: "Steve D'Gerolamo" <>
Date: Sun, 01 Jun 1997 18:20:29 -0400
Subject: Exhaust Nut-Clarification

>From: "Elke R. Landow" <>
>Date: Sat, 31 May 1997 20:27:45 -0400 (EDT)
>Subject: <Tech Tips> Manifold nuts, their removal.
>Eric Tangen made some comments on removing manifold nuts: I'm not sure if
>this if for the manifold-to-head connections, or the exhaust
>pipe-to-manifold connections. An important point is that when replacing
>especially the manifold-to-exhaust pipe, the replacements should be made
>of brass, with lock washers, and use some "never-sieze" compound.

>James A. Ruffner

The exhaust manifold nuts should be copper plated carbon steel. The copper plating gives the nut a little more heat resistance. As the manifold studs are also made of heat treated steel, it would not be wise to use a dissimilar metal fastener, especially not something as soft as brass and not even stainless steel. Make sure the nuts are the locking type and do not reuse them if you have to remove them for any reason. As far as anti-seize compound goes, use the copper paste type (eg, Wurth CU800 or CU1400) for this and other exhaust applications. SD Steve D'Gerolamo c/o The Ultimate Garage, Emerson, NJ Tel 201-262-0412 Email.... Web Site....
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