Check this out...found this when changing wires - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-08-2013, 03:37 PM   #11
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Originally Posted by 2kg4u View Post
That is exactly the point of dielectric grease ... it is non-conductive. It keeps moisture out of your electrical connections without creating a path to ground or bridging two contacts. Also makes it easier to remove boots from spark plugs. I use dielectric grease on every electrical connection I take a part, including the boots at both ends of the spark plug wires.
that makes no sense...you want the tip of the plug and the inside of the wire to conduct...so now you are coating it with a no conductive grease ???
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Old 05-08-2013, 03:57 PM   #12
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that makes no sense...you want the tip of the plug and the inside of the wire to conduct...so now you are coating it with a no conductive grease ???

The grease does not interfere with the contact between the plug and the wire since that is a hard contact. It keeps moisture out of the connection. I'm sorry that makes no sense to you, but if you don't trust our expertise please feel free to do whatever you want. We provide advice based on our collective experience. It is your choice to follow it or not.
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Old 05-08-2013, 04:24 PM   #13
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Basically, the grease gets shoved out of the way when metal contacts with metal. So, instead of there being air in the gaps, the whole connection is encased in goo. This prevents moisture from getting in, and corroding the connection. Over time, the corrosion gives you trouble getting it back apart, and can cause issues with the connection as well.
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Old 05-08-2013, 07:21 PM   #14
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Basically, the grease gets shoved out of the way when metal contacts with metal. So, instead of there being air in the gaps, the whole connection is encased in goo. This prevents moisture from getting in, and corroding the connection. Over time, the corrosion gives you trouble getting it back apart, and can cause issues with the connection as well.
well I DO listen to advise BUT I also ask questions when things dont make sense....I just changed the back 3 wires...what a PITA....the new wires seem longer by a couple inches than the old ones but ....
I had to get under the car to get at one of them...I did use the di electric on the tips of the coil packs and plugs and a smear on the porclin...

seems to run good now and the place I bought them is replacing the bad one at no charge...

Thx for the help
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Old 05-08-2013, 07:34 PM   #15
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The dielelectric grease is awesome to use, but to much is a bad thing as it doesn't allow the plug boot to properly mount the spark plug post.

Another item to consider when replacing the plugs is to put a light coat of anti-seize on the spark plug threads.
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Old 05-08-2013, 10:02 PM   #16
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Yes, use the grease sparingly. Just a light coat is fine.

Please tell me you replaced all the wires and not just the back side?
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Old 05-08-2013, 10:20 PM   #17
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Yes, use the grease sparingly. Just a light coat is fine.

Please tell me you replaced all the wires and not just the back side?
I did the front 3 yesterday and the back 3 tonight...the backs were a pita and they seem about 3" longer than the old ones...I also replaced the one bad plug
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Old 05-09-2013, 05:56 AM   #18
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Oh ok. Yea the new ones should be long enough to where you can drape them right over the top of the intake plenum. I've seen some plenums with built in wire holders too.
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Old 05-09-2013, 08:12 AM   #19
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Oh ok. Yea the new ones should be long enough to where you can drape them right over the top of the intake plenum. I've seen some plenums with built in wire holders too.
yea this plenum has the wire holders but there is alot of extra wire...will send pic...I covered the area of exposed ire with loom...not for looks but for protection...I also dont run the engine cover in the summer...
guess im trying to help it run cooler
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Old 05-09-2013, 08:31 AM   #20
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I guess its really just the two that are long...
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Check this out...found this when changing wires-img-20130509-00121.jpg  
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