Heat shields for plug wires?
Thread Starter
Melting Slicks
Joined: Feb 2001
Posts: 2,156
Likes: 12
From: Farnham Virginia
Heat shields for plug wires?
Just wondering how many people install the heat shield socks on their plug wires after header install? I just installed LG Streets and did not put on the shields but I'm wondering if I should.
Thanks.
Thanks.
Racer
Joined: Dec 2006
Posts: 408
Likes: 0
From: Houston TX
when my headers were put on the shields were not removed. when i later upgraded to new wires i removed the shields because the new wires were designed to take the heat without them and and they didn't fit anyway.
Thread Starter
Melting Slicks
Joined: Feb 2001
Posts: 2,156
Likes: 12
From: Farnham Virginia
Sorry, guess I wasn't clear. I didn't mean "should I take off the metal shields." I was asking if the wire socks, which I'm guessing are either asbestos or some like material, should be added in addition to the stock medal shields.
Thread Starter
Melting Slicks
Joined: Feb 2001
Posts: 2,156
Likes: 12
From: Farnham Virginia
I think I'm on the same wave length. It sounds like cheap insurance to me also.
I think I'll pick up a set this week.
thanks,
Wayne
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Team Owner
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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
Thanks,Matt
Instructor
Joined: Nov 2007
Posts: 138
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From: N.E. Atlanta Ga.
My advice is to NOT use the metal shields. I have seen numerous cases of the metal shields causing a cylinder to misfire because the spark would come through the jacket and arc to the shield. I can not explain why they would do that because they are not grounded. Never-the-less I have seen the little blue arc with my own eyes. I took the shields off and it ran perfect. I would highly advise using something like firesleeves.
Drifting
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From: Saint Louis MO
Safety Car
Joined: Jul 2005
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From: Omaha Nebraska
St. Jude Donor '06
My advice is to NOT use the metal shields. I have seen numerous cases of the metal shields causing a cylinder to misfire because the spark would come through the jacket and arc to the shield. I can not explain why they would do that because they are not grounded. Never-the-less I have seen the little blue arc with my own eyes. I took the shields off and it ran perfect. I would highly advise using something like firesleeves.
My .02 cents worth...
Instructor
Joined: Nov 2007
Posts: 138
Likes: 1
From: N.E. Atlanta Ga.
Sounds like you need some new plug wires... poorly insultated wires (ie, broken or cracked insulation) will leak like that and cause an arc to jump, sure... (Even if it is/was a new wire, replace it) the metal shields do serve a purpose... I used mine again on my not so stock MSD wires and figure it's better that way.
My .02 cents worth...
My .02 cents worth...
As I have said, I have heard of it happening over a dozen times now. If you choose to use them and you have an unexplained misfire, remove them. If you use them and they work great.
From my other forum http://www.f-body.com/forum/search.php?searchid=213221
Last edited by Jeff_in_Atl; Jan 21, 2008 at 08:43 PM.
Safety Car
Joined: Oct 2000
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From: Monticello MN
Melting Slicks
Joined: May 2006
Posts: 2,303
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From: Edmonton Alberta
I had my headers JetHot coated and I will install the Koolsox as well. I also added a heatshield for the starter.
(My two cents) Performance products and performance vehicles should always be engineered for the "extra mile." Bear minimum will usually put you in a bind at some point and cost you more in the future.
(My two cents) Performance products and performance vehicles should always be engineered for the "extra mile." Bear minimum will usually put you in a bind at some point and cost you more in the future.
Safety Car
Joined: Jul 2005
Posts: 4,743
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From: Omaha Nebraska
St. Jude Donor '06
They were brand new MSD 8.5mm on a 95 LT1. I had 3 arcing.
As I have said, I have heard of it happening over a dozen times now. If you choose to use them and you have an unexplained misfire, remove them. If you use them and they work great.
From my other forum http://www.f-body.com/forum/search.php?searchid=213221
As I have said, I have heard of it happening over a dozen times now. If you choose to use them and you have an unexplained misfire, remove them. If you use them and they work great.
From my other forum http://www.f-body.com/forum/search.php?searchid=213221
Guess in that case I'd take 'em off too!
Le Mans Master
Joined: Jun 2006
Posts: 6,478
Likes: 20
From: guthrie oklahoma
My advice is to NOT use the metal shields. I have seen numerous cases of the metal shields causing a cylinder to misfire because the spark would come through the jacket and arc to the shield. I can not explain why they would do that because they are not grounded. Never-the-less I have seen the little blue arc with my own eyes. I took the shields off and it ran perfect. I would highly advise using something like firesleeves.