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sealant for exhaust manifold threads

Old 10-03-2013, 03:26 PM
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lwaggerman
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Question sealant for exhaust manifold threads

What is best for sealing exhaust manifold threads to prevent leakage and turning manifold and muffler black
Old 10-04-2013, 05:39 AM
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I got some high temp silicone sealant from the local auto parts store. Haven't actually used it yet though.
Old 10-04-2013, 08:06 AM
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I have used red RTV for sealant and a coat of Dawn Power Dissolver on the header/manifold and muffler of a four stroke before every flight or - at least - flying session. When calling it a day and after wiping clean, the exhaust system continues to look new.
Old 10-06-2013, 02:23 PM
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Teflon tape works great on glow engines.
Old 10-08-2013, 01:51 PM
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This is the best.

http://www.swagelok.com/products/lea...d-sealant.aspx

Tom
Old 10-11-2013, 10:44 PM
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Also, Ace Hardware sells pipe thread compound it a tube, a high temp type that has teflon in it. Works really great on muffler threads.

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