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Spark

This is a discussion on Spark within the Firebird / WS6 forums, part of the Vehicle Specific category; Anyone know stock sparkplug wire size 99 LS1 ?...

  1. 04-13-2019, 06:03 AM #1
    Birddaddy77571
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    Spark

    Anyone know stock sparkplug wire size 99 LS1 ?
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  2. 04-14-2019, 08:46 AM #2
    98TransAmWs-6
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    Quote Originally Posted by Birddaddy77571 View Post
    Anyone know stock sparkplug wire size 99 LS1 ?
    8.5 mm is the norm. I have seen up to 10.5 though.

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