Leaky Header Connection

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Do not try & hold the exhaust pipe against the manifold w/ your hand & tighten the clamp. Get out your floor jack & a block of wood; put the jack under the pipe to hold it tightly against the manifold, then tighten the clamp. (Don't get carried away w/ the jack or you will bend the pipe. Or, overtighten the clamp & snap it in two. BTDT)

If the exhaust pipe flange is bent, you will never get a good seal; check it out. Also, if the manifold is badly pitted, you will have problems; get out the JB weld. If that does not work, make a sleeve from a 6 inch piece of exhaust pipe w/ the same OD as the ID of the N manifold & exhaust pipe. Dimple the N exhaust pipe 3 inches from the top to keep the sleeve from sliding down into the pipe.

Tinfoil works, but only lasts about 6 months.

Eventually I will want to dress up the ol thang. After 15 years ownership, just got it charging for the first time last week with help from this forum.

Thanks again to all!

Are you talking about exhaust/intake manifold to block?

Did you not use gaskets?

They may be an upside down, right side up to it..

Something is pecking me in the back of the head...

Thanks to all who responded.