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Capping Exhaust Manifold


paulram
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After removing ir pump and all associated tubing, I have a big threaded hole at the front end of the exhaust manifold.  THe only option I see is to remove the nut from the previous tubing and cap.  Someone previously said to use a quarter.  Any better way or it is what it is...

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After removing ir pump and all associated tubing, I have a big threaded hole at the front end of the exhaust manifold. THe only option I see is to remove the nut from the previous tubing and cap. Someone previously said to use a quarter. Any better way or it is what it is...

I have seen precisely what you suggest done: take the nut off of the connector tube (the metal tube linking the one-way valve to the manifold) and have someone weld the nut shut with a small piece of metal; re-install. Being on the exhaust manifold, your fix must withstand heat and some pressure (exhaust will enter the air injection nozzles and attempt to escape through that nose fitting). You could look for some sort of a ready-made cap but the thread size is not common.

Steve

Edited by Conserv
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