C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Plug wire poll

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Old Jul 24, 2011 | 05:20 AM
  #1  
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Default Plug wire poll

Hey forum , what kind of sparkplug wires do you guys use? I believe 8mm wires are recommended for the LT1, but the only AC Delco wires I see are 7mm.
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Old Jul 24, 2011 | 05:27 AM
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I used to use Bosch 8mm from Autozone.
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Old Jul 24, 2011 | 06:23 AM
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OEM, Taylor, MSD, Bosch, Accell etc etc. They are all just fine.
With any wire, make sure the connections are good,, they are RF style, and to check them for resistance every once in a while.
OEM will last quite some time.
Hardest part is picking the color.
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Old Jul 24, 2011 | 08:01 AM
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AC Delco
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Old Jul 24, 2011 | 08:54 AM
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If you now have 7mm wires you may want to stay with them unless you want to change your 7mm wire holders. I can't remember what size came stock, I think 7mm, but trying to install an 8mm into a 7mm holder often breaks them, especially if old and brittle. Spiral core wires are more rugged, especially if you pull them on and off for changing plugs or other work. Plug wire resistance is important on computerized vehicles, spiral core does not measure much resistance with an ohm meter but instead utilizes the windings (spiral) that provides inductive reactance, a different type of resistance called impedance, so don't worry about the low ohm readings, they work well.

Last edited by dynocar; Jul 24, 2011 at 08:56 AM.
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Old Jul 24, 2011 | 09:35 AM
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I switched to Taylor wires because they are rated to 600 degrees whereas alot of the other mediiem priced wires including the Accels I took off are only rated to 400 degrees..This makes a big difference especially if you have headers.....WW

Last edited by WW7; Jul 24, 2011 at 09:38 AM.
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Old Jul 24, 2011 | 09:44 AM
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Taylor Spiro Pro 8mm here. High heat, low resistance, durable and don't cause any problems.
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Old Jul 24, 2011 | 10:33 AM
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OEM from Rock Auto, I paid $35.00 + shipping "close out sale" also paid $35.00 for Accel 9000 Wires" but I never used them decided to stay with OEM" for the best prices you can't beat Rock Auto
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Old Jul 24, 2011 | 10:34 AM
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7s are just fine.
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Old Jul 24, 2011 | 12:51 PM
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OEM AC Delcos are high quality, and will fit perfectly. Go with anything larger in diameter, and you'll be replacing the looms, too.

Live well,

SJW
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Old Jul 24, 2011 | 01:57 PM
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Taylor Thundervolt 50 10.4mm. You can use these to tow your car in a pinch.
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Old Jul 24, 2011 | 02:02 PM
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Use Taylors. They work fine but hey are pricey. Next time I would use just the OEMs.
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Old Jul 24, 2011 | 02:52 PM
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As stated, Taylor make some good wires. Get a universal set and put the ends on after routing the wires like you want them for a truly custom fit. They make a good 8mm set for about $50 and you can get a rainbow choice of colors.
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Old Jul 25, 2011 | 02:26 AM
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Another Taylor vote. But make sure you have a quality crimper to make those wires.
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Old Jul 25, 2011 | 02:29 AM
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Originally Posted by Shock96
Another Taylor vote. But make sure you have a quality crimper to make those wires.
Taylors come pre cut to fit LT1's and L98
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Old Jul 25, 2011 | 02:32 AM
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Originally Posted by 1963SS
Taylor Spiro Pro 8mm here. High heat, low resistance, durable and don't cause any problems.
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Old Jul 25, 2011 | 05:02 AM
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Originally Posted by dynocar
If you now have 7mm wires you may want to stay with them unless you want to change your 7mm wire holders. I can't remember what size came stock, I think 7mm, but trying to install an 8mm into a 7mm holder often breaks them, especially if old and brittle. Spiral core wires are more rugged, especially if you pull them on and off for changing plugs or other work. Plug wire resistance is important on computerized vehicles, spiral core does not measure much resistance with an ohm meter but instead utilizes the windings (spiral) that provides inductive reactance, a different type of resistance called impedance, so don't worry about the low ohm readings, they work well.

Resistance is very important
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Old Jul 25, 2011 | 09:00 AM
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i have tried MSD and Accel (is what i have now) with success,
now that you mention Taylor are more heat resistant i would love to try them !
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Old Jul 25, 2011 | 09:31 AM
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I have a set of MSD Super Conductor 8.5 on my 96 ..Great wires but the 8.5s the size are hard to get wire looms and the like for the 8.5 so if you go with this size make sure can get the stuff that will fit the wires.. Great wires not cheep... If you can ever get them to lock on the spark plug will not come off but pain to get them to lock ..You have to have a strat push and we all know now easy that is on a C-4.. Good luck
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Old Jul 25, 2011 | 09:45 AM
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MSD 8.5s on my L98. Have to drill out the plastic seperators to make them work.
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