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Are the spark plug wire metal sleeves necessary?

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Old 07-24-2007, 02:36 PM
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Default Are the spark plug wire metal sleeves necessary?

I am tempted to leave the damn things off the new wires. Is there a good reason to reuse them? Thanks
Old 07-24-2007, 02:39 PM
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not particularly
Old 07-24-2007, 02:39 PM
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I don't think anyone puts them back on after they pull the stock wires off. Just chunk them.
Old 07-24-2007, 03:33 PM
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Good. They just went in the trash can. Thanks
Old 07-24-2007, 04:20 PM
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I polished mine up and sliped them back on.
Old 07-24-2007, 04:27 PM
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Reused mine with my MSD's figured they helped with heat a little or else they would not be there.
Old 07-24-2007, 05:23 PM
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I used mine over on my MSD wires for #8 it gets really really hot back there so I figured a little extra sheilding wont hurt. no one can see it anyhow
Old 07-24-2007, 05:27 PM
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I reused mine for my GMPP wires.

They're definitely there for a reason, at least on some of the plugs.
Old 07-24-2007, 05:32 PM
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a lot of people use them for msd wire because most but not all hit the header. As long as the wire is not directly up against the header you should be able to do without them.
Old 07-24-2007, 05:33 PM
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Originally Posted by 98camaroLS1M6
a lot of people use them for msd wire because most but not all hit the header. As long as the wire is not directly up against the header you should be able to do without them.
The MSD wires shouldnt hit cause they can be bent out of the way. 1 or 2 of mine were hitting till I bent them out of the way a little.
Old 07-24-2007, 06:49 PM
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Heres mines they dont look bad to me?? Why not reuse them?
Old 07-25-2007, 04:16 AM
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My first set of MSD's cooked on the header. Didnt read the box enough to figure out they could be bent. My second set I bent 2 that touched a have an easy 1/4 inch at the closest. thats plug boot to header. Thats plenty of room. I had a misfire in cyl 6 which the plug boot was fine. My #4 was cooked but didnt miss. And my misfire only showed up when I mistakingly put the pass side o2 sim in the primary spot.
Old 07-25-2007, 02:16 PM
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No! I have them off my car and i have done about 20 header installs and we didnt put them on then with No problems
Old 07-26-2007, 04:37 AM
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I reused them for that "just incase" purpose. They didnt make the install that much worse, you just have to guess more and listen when putting them back on to make sure the wires are on all the way.
Old 07-26-2007, 08:55 AM
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Originally Posted by SpdFrk1990
Heres mines they dont look bad to me?? Why not reuse them?
As you can see, where they are placed, they offer no insulating value to the plug boot. The boot is still exposed where it is closest to the header primary. I tried them on my MSD's and got rid of them because they were useless.
Old 07-26-2007, 11:51 AM
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I use them cause they were there from the factory.
Old 07-26-2007, 11:54 AM
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I use mine still. ANY protection I can get to save my expensive plug wires is OK with me.
Old 07-26-2007, 11:58 AM
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Polished them when I did the rocker covers and exhaust heat shields.
Old 07-26-2007, 12:00 PM
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i use them because it makes it easier to grab and pull the wire off.



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