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  1. C

    Pulstar Spark plugs

    Thanks for the info zagger.Its good to know the original plugs had the correct gap.Now I read about this PCM update done at the dealer and was wondering if you had that done and if I would need that .
  2. C

    Pulstar Spark plugs

    My 99 Corvette had about 54k on it so I thought id change the plugs.It was a good time to see how the AC plugs were burning .On removal saw the gaps at.060 and thought that was kinda wide.Is that a correct gap?The plugs were had a pinkish color ,not coffee tan .Is that common ? It was a good...
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