Author Topic: Anti sieze on spark plugs  (Read 5295 times)

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Offline trex

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Anti sieze on spark plugs
« on: Sunday, December 25, 2011. 04:03:54 PM. »
I thought I was being pretty smart by using anti seize on the spark plug threads but a NGK technician told me not to do that as they have an anti seize substance on them and using anti seize can cause detonation. I'm always nervous pulling plugs on my bike, would hate to strip them. Is  what I was told true of all plugs used on Harley's?

Offline Jaycee1964

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Re: Anti sieze on spark plugs
« Reply #1 on: Sunday, December 25, 2011. 04:45:08 PM. »
I use it all the time and as far as detonation... Never hear that folk tail especially since it is applied to the threads and no other part of the plug.  I would hate to rip the theads outta a head unessesarily.
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Offline rbabos

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Re: Anti sieze on spark plugs
« Reply #2 on: Sunday, December 25, 2011. 04:45:33 PM. »
Over applied it can run down into the electrode area and shorth the plug out so only sparingly coat from the first 2-3 thread on up, and very lightly. Tech is full of poop. Only coating is the plating. One of the down sides some of us are seeing is anti seize can pack up the threads making the plug tight to remove and some are using a drop of syn instead. Havn't tried that myself but have witnessed tight plugs on removal. Good thing is they always come out.
Ron
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Offline trex

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Re: Anti sieze on spark plugs
« Reply #3 on: Sunday, December 25, 2011. 04:54:54 PM. »
I thought it sounded like a lawyer covering his ass. I will continue to use it, thanks guys. And yes I use it sparingly, I don't slop it on.

Offline Doc 1

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Re: Anti sieze on spark plugs
« Reply #4 on: Sunday, December 25, 2011. 05:13:48 PM. »
I thought I was being pretty smart by using anti seize on the spark plug threads but a NGK technician told me not to do that as they have an anti seize substance on them and using anti seize can cause detonation. I'm always nervous pulling plugs on my bike, would hate to strip them. Is  what I was told true of all plugs used on Harley's?
:hyst: :hyst: :hyst: :hyst:.... :doh:...... :hyst: :hyst:

Offline Overcamber

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Re: Anti sieze on spark plugs
« Reply #5 on: Sunday, December 25, 2011. 05:22:16 PM. »
i realize its to prevent galling just not sure if thats considered a conductor or an insulator? but if it ran down the plug and shorted i can see it being a problem :soda:
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Offline Dogbone45ACP

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Re: Anti sieze on spark plugs
« Reply #6 on: Sunday, December 25, 2011. 05:27:48 PM. »
Use a spot of Hi Nickle antiseize and torque to the low side of the specs.

Offline turboprop

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Re: Anti sieze on spark plugs
« Reply #7 on: Sunday, December 25, 2011. 05:36:28 PM. »
Is that synthetic or dino based antiseize?  <smirk>
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Offline surf

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Re: Anti sieze on spark plugs
« Reply #8 on: Monday, December 26, 2011. 05:16:59 AM. »
I was using too much on my '05 and was checking them often for the bad valve seals, caked up a bit and stripped the threads. Just use a drop of oil now.

Offline War Horse

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Re: Anti sieze on spark plugs
« Reply #9 on: Monday, December 26, 2011. 05:28:23 AM. »
Tre' read the article I posted up here and make up your own mind......

http://harleytechtalk.org/htt/index.php/topic,46140.0.html
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Offline timtoolman

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Re: Anti sieze on spark plugs
« Reply #10 on: Monday, December 26, 2011. 12:27:49 PM. »
As in any steel threaded insert/fastener with dissimiliar metals,I.E. steel spark plug and with aluminum heads antiseize copper or silver used in a small application,   Oil will "bake" on threads , and always use a torqe wrench, something simple like this done halfa$$ed will ruin a afternoon
'NEVER ENOUGH TORQUE" 
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Offline PoorUB

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Re: Anti sieze on spark plugs
« Reply #11 on: Monday, December 26, 2011. 03:40:45 PM. »
I have been using antiseize on sparkplugs for over 25 years. I have had more trouble not using it than using it. I am sticking with antiseize, but just a tiny dad will do ya.
I am an adult?? When did that happen, and how do I make it stop?!

Offline Ed Y

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Re: Anti sieze on spark plugs
« Reply #12 on: Monday, December 26, 2011. 04:04:30 PM. »
I have been using antiseize on sparkplugs for over 25 years. I have had more trouble not using it than using it. I am sticking with antiseize, but just a tiny dad will do ya.

I'll add another 10 years at least to that. Never a problem for me getting the plugs out. I put it on sparingly, then wipe my finger around the threads. It leaves a very small amount in the gap between threads.

Offline trex

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Re: Anti sieze on spark plugs
« Reply #13 on: Monday, December 26, 2011. 04:54:33 PM. »
What is the consensus among the guys that use it on plugs, silver, copper, nickle or graphite like the Champion stuff?

Offline wfolarry

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Re: Anti sieze on spark plugs
« Reply #14 on: Monday, December 26, 2011. 05:39:20 PM. »
I use the Champion stuff. Much better for plugs than all the others.

Offline Sixspeed

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Re: Anti sieze on spark plugs
« Reply #15 on: Monday, December 26, 2011. 07:46:23 PM. »
I use Permatex
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Offline truck

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Re: Anti sieze on spark plugs
« Reply #16 on: Monday, December 26, 2011. 07:58:35 PM. »
I use Permatex
Me too. Haven't had any spark plug problems all the time I've been using it.
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Offline WhipLash96

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Re: Anti sieze on spark plugs
« Reply #17 on: Monday, December 26, 2011. 08:13:32 PM. »
I do not use anti seize and never have and never will.  :gob:

Offline Barrett

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Re: Anti sieze on spark plugs
« Reply #18 on: Monday, December 26, 2011. 08:19:00 PM. »
I use a very small amount of Permatex, I put it on with a little model brush. I use a TQ wrench too.

Offline Bill in OKC

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Re: Anti sieze on spark plugs
« Reply #19 on: Monday, December 26, 2011. 10:10:28 PM. »
I 'think' most anti-seize compounds are electrically conductive.  If you used something that was not conductive I wonder if it might weaken the spark?
'o8 NightTrain

Offline Golfman

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Re: Anti sieze on spark plugs
« Reply #20 on: Monday, December 26, 2011. 11:36:40 PM. »
I noticed today the the "Fix your Hog" video CDs recommend a dab of anti-seize on the plug threads. They used an anti-seize stick, which I couldn't find.

Offline charlie

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Re: Anti sieze on spark plugs
« Reply #21 on: Tuesday, December 27, 2011. 12:26:03 AM. »
I can't believe you blokes, TQ wrench on a spark plug i suppose you use one on your car to when you change the plugs,never used one or stripped a spark plug or sump plug leave it alone and give it to someone who can that has the touch,oil on the thread. :emoGroan:

Offline aharp

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Re: Anti sieze on spark plugs
« Reply #22 on: Tuesday, December 27, 2011. 02:39:23 AM. »
I was told years ago by a guy at the moco not to use the copper anti seize cause it messes with the ion sense. Just repeating what i was told. He was the head of the powertrain division not a janitor.
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Offline Jeffd

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Re: Anti sieze on spark plugs
« Reply #23 on: Tuesday, December 27, 2011. 02:45:43 AM. »
I was told years ago by a guy at the moco not to use the copper anti seize cause it messes with the ion sense. Just repeating what i was told. He was the head of the powertrain division not a janitor.

Wonder if is the same guy that thinks .008" of runout is ok? :fish:

Offline BUBBIE

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Re: Anti sieze on spark plugs
« Reply #24 on: Tuesday, December 27, 2011. 07:33:15 AM. »
 :emoGroan:

Jeffd,

Now I thought they moved it out to .012  :hyst:

.012 leaves fewer problems,,,, Doesn't it?   :hyst:

signed....BUBBIE
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