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Old 11-01-2003, 05:01 AM
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Question Spark Plug wires

Hello.Is is it neccesary to install the factory spark plug heat shields when installing aftermarket plugs?
Old 11-01-2003, 05:27 AM
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i do, dont know if its neccessary though.
Old 11-01-2003, 06:29 AM
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What kind of wires do u have?
And what is the better spark plug wires.Taylor 10.4mm or the MSD?

Last edited by 9833211; 11-01-2003 at 06:42 AM.
Old 11-01-2003, 07:58 AM
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I would, as GM probably put them there for a reason. I have no reason to think any aftermarket wires have any more of an ability to resist heat's effects. Engine blocks get kinda warm as well all know.

Taylor are supposed to be some top of the line wires. I ran MSD 8.5's with absolutely no problems. Good wires, less expensive then Taylors. The stock wires are great to be honest, as long as they are in good condition. Really no reason to replace them. I replaced mine only because a few went bad(no idea how the previous owner treated the car).
Old 11-01-2003, 08:13 AM
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i have taylor 10.4's with no heat shields,no problems. Very happy with these wires since i put them on 2yr's ago
Old 11-01-2003, 09:45 AM
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i've got the taylor 10.4's as well. i don't think it's possible to install the heat shields over the boots on those, at least i couldn't. i haven't melted one yet.
Old 11-01-2003, 10:29 AM
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Anyone with MSD Wires had a problem installing the Heat shields?
Old 11-01-2003, 10:59 AM
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i ran with MSDs and no heat shield for about 6 months and 7k miles, no problems. The #7 plug boot was actually resting on the header, still never melted.
Then i ran about 1k miles with the heat shields on, just for safe measure.
Dont really matter in my opinion, either way shouldnt be a problem.
Old 11-01-2003, 06:03 PM
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Originally Posted by 9833211
What kind of wires do u have?
And what is the better spark plug wires.Taylor 10.4mm or the MSD?
i run the taylor 8mm and they've been shitty to me keep breaking, even when pulling from the boot. dont know what im gonna replace it with yet.
Old 11-01-2003, 07:42 PM
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I run the taylors on mine, with no heatshields and they have held up fine for about a year and half now.
Old 11-01-2003, 08:56 PM
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I run Taylor 10.4 and use the heat shields on them. It is a pain in the *** to get them over the boot but I think it is worth it, b/c you can never be too careful. Do they need the heat shield? "Probably" not.
Old 11-01-2003, 09:51 PM
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the taylor thundervolts are great wires. i have had the same ones for 2 years, they are on their second car and still work great. no heat shield is required.
Old 11-01-2003, 09:54 PM
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I run the MSD wires, no sheilds no problems.
Old 11-01-2003, 10:21 PM
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I wanna try and get the best plugs that the heat shield can go on.Is it easier puttion on the heatshield on THE msd or Talyors
Old 11-02-2003, 12:05 AM
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Originally Posted by 9833211
I wanna try and get the best plugs that the heat shield can go on.Is it easier puttion on the heatshield on THE msd or Talyors
I do not know about the MSD's but the Taylor's are not that difficult that a DIY mechanic could not put them in the stock heat shields.
Old 11-02-2003, 12:23 AM
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Originally Posted by blk~2000~Z28
I do not know about the MSD's but the Taylor's are not that difficult that a DIY mechanic could not put them in the stock heat shields.
What is a DIY mechanic?
Old 11-02-2003, 11:09 AM
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DIY= Do it Yourself

the heat shields fit on the MSD's just fine too
Old 11-02-2003, 07:04 PM
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i have the Holley's... no problems with heat at all
Old 09-23-2010, 03:21 PM
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whats up guys, I used to run msd 8.5 super conducter's. I just bought taylor thunder volt 50s and a new set of TR6's. istaling the taylors i feel like the wiers are not cliking on the plugs. Do you have to push realy hard for them to slip on? i dont want to mess them. And can they be taken of the plugs / coils and put back on ?
Old 09-23-2010, 03:40 PM
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70k miles still on stock wires, no heat shields, no problems yet, with Kooks 1 7/8. When I do get around to changing the wires I probably will put the heat shields on though. You can naver be too safe. Last time I checked IIRC the the heat shields are around $50. IMO, to me, they are worth it. Are they need, probably not.


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