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Post  roddie on Fri Mar 30, 2018 9:31 am

How resistant is the insulator to chemicals which might be used in cleaning? I purposely omitted the glow-heads/plugs from a hot-soak in Ethylene Glycol, when cleaning some engines recently, for fear of the insulator or coil being compromised.

Is the insulator impervious to most chemicals? I would assume that it's fairly resistant to high temperatures.. being located in the engine's cylinder head.

Is the insulator some type of ceramic?

Thanks in advance for any info.
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Post  ticomareado on Fri Mar 30, 2018 11:51 am

Don't know answer to your question, but anytime I'm doing a "High Risk" clean up of a good plug or head, I light a birthday candle and put a drop of wax in the element cavity. The wax will melt/burn off once you connect a battery to the newly cleaned head.
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Post  roddie on Fri Mar 30, 2018 1:58 pm

ticomareado wrote:Don't know answer to your question, but anytime I'm doing a "High Risk" clean up of a good plug or head, I light a birthday candle and put a drop of wax in the element cavity. The wax will melt/burn off once you connect a battery to the newly cleaned head.

I like that suggestion a LOT. Thanks for the tip!
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Post  NEW222 on Fri Mar 30, 2018 2:53 pm

Yes, very interesting idea with the candle wax.
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