anti seze on spark plugs

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Joined: Thu May 12, 2011 5:08 am
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anti seze on spark plugs

Postby mike701 » Wed Jun 01, 2011 9:16 pm

I noted the use of the use of silver antisize on the plug thereds; in my 25 years of pipefitting at a firestone plant we found that the only thing that the silver antiseze was good for (wich is nicel based) was cold water the high heat would cause the stuff to dry out and then would seze the therds !!The best antiseze for extended high temp was a copper based antiseze.

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Steve F
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Re: anti seze on spark plugs

Postby Steve F » Thu Jun 02, 2011 8:42 am

Well, where I work, we use the stuff on just about every THREAD that has even a slight chance of SIEZING. Even at temps around 400F. We use the LOCTITE brand silver antiSIEZE compound which is NICKEL based stuff, with excellent results. If you are wondering, that's the same stuff they put on O2 sensors in you car's exhaust system. Copper stuff is OK too.
"To ride is the reason, the destination the excuse."

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Re: anti seze on spark plugs

Postby thrasherg » Thu Jun 02, 2011 9:49 am

I have only used the Copper anti-seize compound, but I am no expert.. I assume any anti-seize compound is better than none, but I also know that could be a flawed argument!! On aluminium heads I always use copper based as it will prevent seizure at high temperature, but will also aid with conductivity (potentially giving a stronger spark).


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