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  1. #1

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    Thumbs up Sparkplug Reading Information for U

    Here is a good link on exactly how to read your sparkplug combustion chamber fuel burn info------ http://www.4secondsflat.com/Spark_plug_reading.html Tommy Jordan


  2. #2
    This is somewhat related, maybe not. Does to much octane create any loss of power, etc. My 2007 fx ho says use 87. I have the standard mods, filter, stacks, exhaust, grate, etc. and this engine has 12:1 compression. I am using 91 octane and this post made me think about octane. What should I use. Summertime temp get to be 110-120 degrees but the water coming out of the damn stays around 55 degrees.
    Thanks !

  3. #3
    64physhy's Avatar
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    Thank you, I just ordered new plugs, and was going to look for this info.

  4. #4
    JROD06's Avatar
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    Quote Originally Posted by 2fast4u View Post
    Here is a good link on exactly how to read your sparkplug combustion chamber fuel burn info------ http://www.4secondsflat.com/Spark_plug_reading.html Tommy Jordan
    Good info Tommy, just actually did this on mine because people had me worried with the air/fuel I was running. after plug reading I felt a lot better though, and this is defiantly a good way to tell what is going on with a motor if there is any doubt.

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