Spark Plug Q: Anti-seize on the threads and spark plug grease on the connection?
09-29-2008, 09:54 AM
#6
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Depends on the car for me. In some heads, the sparkplugs like to stick, mainly due to design IMO.
<center><img src="http://www.loctite.com.mx/int_henkel/loctite_mx/binarydata/es/images/37229.jpg"></center><p>I use a *VERY small* amount of Copper Anti-Seize on spark plugs. And I mean, really small amount. I apply it on the middle and upper part of the threads and seat. Never near the tip.
But the discussion about using this is similar to whether or not it's a good idea to use it on wheel studs, etc... There will always be people on both sides of the fence.
The main reason I use it is because I had to remove a destroyed spark plug in a V8 when I was in highschool and helicoil the head. That sucked.
If you decide to use a product like this on spark plugs, just make sure that you use a COPPER anti-seize as it allegedly won't foul O2 sensors etc... And if you do use it, a little bit goes a long way. I apply it all the way around the threads/seat with my finger, then remove the excess with a paper towel. This leaves just a little bit in the bottom of the threads. Works for me, YMMV.
But the discussion about using this is similar to whether or not it's a good idea to use it on wheel studs, etc... There will always be people on both sides of the fence.
The main reason I use it is because I had to remove a destroyed spark plug in a V8 when I was in highschool and helicoil the head. That sucked.
If you decide to use a product like this on spark plugs, just make sure that you use a COPPER anti-seize as it allegedly won't foul O2 sensors etc... And if you do use it, a little bit goes a long way. I apply it all the way around the threads/seat with my finger, then remove the excess with a paper towel. This leaves just a little bit in the bottom of the threads. Works for me, YMMV.