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Discussion Starter #1
I got a new bolt, to replace the missing one on my exhaust manifold yesterday. I put it in, but still have the tick-tick-tick of an exhaust leak. When I looked at it from above today, there's a gap between the head and manifold. There looks to be a metal gasket that is on the other three, but missing from the top of #7.

Did International put gaskets on the 7.3? If so, I'll have to replace this one.
 

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The only way to run without a gasket is to have both mating surfaces machined absolutely perfectly, to within 0.001 of each other or it won't seal, and then torqued down perfectly. This is only used on high end racing applications and is very expensive... so it's a safe assumption that there should be a gasket there.
 
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