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Thread: Plug chop

  1. #16
    Join Date
    20th January 2008 - 17:29
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    Quote Originally Posted by pete376403 View Post
    Now that lead has been removed from fuel does the plug still show the range of colour? ie from scary bone white through to sooty black with the optimum being a nice light chocolate tan? Exhaust pipes now look black no matter what the F/A ratio.
    On my old race BMW tending to be looking at plug base ring color to determine mixture and electrode arm to determine heat range.

    Once a plug fouls its bin time.
    DeMyer's Laws - an argument that consists primarily of rambling quotes isn't worth bothering with.

  2. #17
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    28th May 2006 - 19:35
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    Quote Originally Posted by Voltaire View Post

    Once a plug fouls its bin time.
    have you tried an ultrasonic cleaner?

  3. #18
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    20th January 2008 - 17:29
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    Quote Originally Posted by jellywrestler View Post
    have you tried an ultrasonic cleaner?
    👍that’s a good idea.
    DeMyer's Laws - an argument that consists primarily of rambling quotes isn't worth bothering with.

  4. #19
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    28th September 2015 - 10:26
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    Quote Originally Posted by Akzle View Post
    the rear doesn't *have* to be on the ground.
    reading won't be hunnits as it's not under load. but should be close.
    Plug problems usually occur under load so revving it up on the paddock stand isn't going to tell you much.

    Cheers

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