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Well, the 64 T-Bird's 390 has an exhaust manifold leak on the right side. My question is, from the factory did they use gaskets along with the tin shields, or just the tin shields???
 

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Dan, I think those steel gaskets were all that came on them for the factory. They seem to be more of a heat shield for the spark plugs than a gasket. Felpro sells a replacement set if needed. I have the Ford numbers and think the Felpro too if needed. 12-18 ft lbs was factory tq spec with the stock bolt lock tabs. And of course be sure the manifolds/heads have a nice flat surface to seal to. But no gasket other than the tins that I know of on the 64 T. My 390 in the 68 the PO just used lockwashers and they come loose often and leak. I have headers to replace them with though. Hope this helps somewhat.
 

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:bowd: Thanks Glenn. What are the FelPro #'s??? It still has the original bolts with lock tabs, but they'll be replaced with a new set.
 

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Dan I have Fel Pro # MS 95000. Box contains 1-90353 left side and 1-90354 right side. Ford part #'s are C1SE-9448-A right side and C1SE-9448-B left side.
 
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