glow-head/plug "insulator" query..

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.

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.

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!

NEW222 on Fri Mar 30, 2018 2:53 pm

Yes, very interesting idea with the candle wax.

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glow-head/plug "insulator" query..

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Re: glow-head/plug "insulator" query..

Re: glow-head/plug "insulator" query..