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04-07-2014, 09:55 AM | #1 |
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Spark plugs in aluminum heads
What is Fordbarner's experience with something like graphite on steel spark plug threads to keep them from galling in the threads of aluminum heads . Thank you.
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04-07-2014, 10:26 AM | #2 |
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Re: Spark plugs in aluminum heads
Back in the day I used to have air cooled VW's with aluminum heads. I used anti-seize on the sparkplug threads and never had a problem.
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04-07-2014, 10:33 AM | #3 |
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Re: Spark plugs in aluminum heads
Always use anti-seize on the spark plug threads, when installing in aluminum heads.
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04-07-2014, 12:25 PM | #4 |
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Re: Spark plugs in aluminum heads
If you want to be forever pleased,
use a dab of anti-seize. Not too much, just a touch. Then your threads won't strip and loose their grip. And you will have a pleasant trip. Last edited by 19Fordy; 04-07-2014 at 01:40 PM. |
04-07-2014, 12:25 PM | #5 |
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Re: Spark plugs in aluminum heads
NeverSeeze has a second advantage in that it improves heat transfer.
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04-07-2014, 12:34 PM | #6 |
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Re: Spark plugs in aluminum heads
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And it is true - use anti - seize |
04-07-2014, 01:01 PM | #7 |
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Re: Spark plugs in aluminum heads
Well said, 19Fordy.
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04-07-2014, 01:33 PM | #8 |
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Re: Spark plugs in aluminum heads
Does the type matter? I've been using an ancient jar of copper anti-cease. Always seems like it works well.
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04-07-2014, 01:41 PM | #9 |
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Re: Spark plugs in aluminum heads
Copper anti-seize is the only way to go. Been using it on aircraft for a long time.
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04-07-2014, 03:08 PM | #10 |
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Re: Spark plugs in aluminum heads
I use the silver kind that looks like a big crayon. It's easy to "draw" some on the threads every time I have a plug out.
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04-07-2014, 06:54 PM | #11 |
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Re: Spark plugs in aluminum heads
Thank you for the responses. I considered never-seize, but there are many different types of anti-seize compounds. It sounds like a copper based anti-seize works for some folks. I am not sure though if copper and aluminum are compatible with each other as dissimilar metals.
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04-07-2014, 07:10 PM | #12 |
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Re: Spark plugs in aluminum heads
U can use malox on the threads works well.
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04-07-2014, 10:06 PM | #13 |
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Re: Spark plugs in aluminum heads
Found this on NGK site but I still use a small dab of anti sieze ...
http://www.ngksparkplugs.com/pdf/TB-...1antisieze.pdf
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04-08-2014, 02:02 AM | #14 | |
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Re: Spark plugs in aluminum heads
Quote:
Martin. |
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04-08-2014, 06:24 PM | #15 |
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Re: Spark plugs in aluminum heads
Martin, thank you very much for that feedback. Copper it is for anti-seize.
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04-08-2014, 08:49 PM | #16 |
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Re: Spark plugs in aluminum heads
Russcc, I have used Never-Seez , made by Bostik, where I worked...they offer ten different anti-seez products, one which is good for up to 2400*F
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04-09-2014, 05:04 AM | #17 |
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Re: Spark plugs in aluminum heads
I researched the galvanic series between aluminum and copper and copper is a far more "Noble" metal than aluminum. Here is the statement about it, word for word.
"In a couple with copper, however, the corrosion rate of aluminum is high" |
04-09-2014, 06:06 AM | #18 | |
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Re: Spark plugs in aluminum heads
Quote:
Meaning don't use copper and aluminum? |
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04-09-2014, 06:38 PM | #19 |
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Re: Spark plugs in aluminum heads
But a gasket is not straight copper surely? Copper gaskets never hurt aluminium heads.
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04-09-2014, 08:00 PM | #20 |
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Re: Spark plugs in aluminum heads
Gee whiz! This isn't difficult when comparing which metal corrodes when aluminum and copper are in close proximity to each other. The ALUMUNUM corrodes.
http://www.thelen.us/1galv.php |
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