LilEz02 Posted July 23, 2011 Report Share Posted July 23, 2011 i changed to msd plug wires and i put the factory metal covers on the ends that go on the spark plugs. well when there on they are real close to the manifold and sometimes touch and i get a small miss at idle and low rpms. are these cover required? are the msd wires high temp enough to not use them, and if i dont will i have to worry about melting on on like a long road trip or something? any advice will be greatlly appreciated. i know alot of people on here are super smart with engine issues like this so i hope someone can help. thanks Quote Link to comment Share on other sites More sharing options...
Fireman31 Posted July 23, 2011 Report Share Posted July 23, 2011 Those covers are little heat shields, they are not required and can be removed. You will be fine without them...... Quote Link to comment Share on other sites More sharing options...
canadianVRss Posted July 23, 2011 Report Share Posted July 23, 2011 Yeah man they're high temp, I've never run my truck WITH the guards on. Quote Link to comment Share on other sites More sharing options...
sprayed99 Posted July 24, 2011 Report Share Posted July 24, 2011 It is better to run them without the covers. The MSD wire end are made to bend so you can clear many different types of manifolds/headers. Take them off and clip them back onto the plug and bend the end so it is not touching the manifold....problem solved. Quote Link to comment Share on other sites More sharing options...
northernss Posted July 25, 2011 Report Share Posted July 25, 2011 I run mine without a cover and have never had an issue. Long trips and still no problems Quote Link to comment Share on other sites More sharing options...
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