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Plug wire problems

This is a discussion on Plug wire problems within the LT1 forums, part of the Vehicle Specific category; i replaced my stock wires with MSD 8.5mm wires, they were great until i got my headers installed now they ...

  1. #1
    Right On Badbird's Avatar
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    Plug wire problems

    i replaced my stock wires with MSD 8.5mm wires, they were great until i got my headers installed now they are fried. got any suggestions for new wires. was thinking of going with the Accel Extreme 9000's designed for turbo or SC setups where manifolds reach up to 1000. they say they are good up to 1000 degrees at a 1/2 inch away. do you think if i do that and use boot sheilds that will solve my problem?

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    I lika da Chevy's LETHALxLS1's Avatar
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    Z/28 LS1

    those shields should work. I saw some in Jegs cataloge.

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    Senior Member Zboner's Avatar
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    just make sure when you run the wires to rout them AWAY from the headers as far as possible, and you should not have any issues what so ever with them.

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    I lika da Chevy's LETHALxLS1's Avatar
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    But the plugs are so close to the headers imo I would put a heat shield around that part of the wires.

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    95 Z28

    plug wires

    Order wires from thunder racing that go over the valve covers that is the best way to go

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    Pathelogical Liar BlackLT1Z28's Avatar
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    You could try those full insulated sleeves that cover the whole wire, not just the boot. Don't remember who makes them, but I know autozone usually carries them in stock. I just routed mine differently and zip-tied them out of the way. So far, no problems.

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    Right On Badbird's Avatar
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    i bought the accel 9000's at auto zone along with 8 6inch sleeves. im hoping i can avoid any further problems. these wires say they are good to 1000 degrees. so i have some confidence in them

  8. #8
    Senior Member 5.0THIS's Avatar
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    I PMed you back. Keep in mind, that no wire will survive if it is on a header tube, no matter what it is rated for. You dont need OVC wires, as the stock location works fine for plenty of people. And you may need insulation not only within 6 inches of the plug, but at other points that are in close contact with a header pipe.

  9. #9
    Senior Member 35thAnniZ28's Avatar
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    eating bulldog
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    try using sleeves from auto zone

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