Spark Plugs platinum vs iridium - Toyota Yaris Forums

04-11-2010, 05:35 PM

#19

yaris-me

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Drives: 2007, Meteorite, LB

Join Date: Dec 2008

Location: Anaheim, CA

Posts: 2,070

Quote:

Originally Posted by 127.0.0.1

don't put dielectric grease inside the plug wires.

the grease doesn't conduct electricity, and for a large pulse
like a plug has, it can restrict it a bit (less metal-metal contact)
and overheat the wires.

dielectric is best for low voltage...like ordinary 12v or 5v electrical connectors
elsewhere in the vehicle that may be splashed with water, snowed or slushed on...

Should people use anti-seize compound between the threads and the head?

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