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  1. #1

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    Pet Tach on a 4-tec

    I am trying to install a PET2100DX on a 4-tec and cann't get any good reading max rpm shows 2700 and it shows it idleing at 550 rpms
    I have it set at P 43
    Tryed rapping the wire around the top of one coil, One rap around each coil, and Shoving the wire down past the rubber seal and rapping it around the coil just above the spark plug with all the same results
    Is my setting wrong?
    Am I installing it wrong?
    Or is the Tach goofy?
    courious if anybody else had this problem.


  2. #2
    Hydrotoys's Avatar
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    Contact Sirhc7897.

    He's already done it succesfully on a rxp

  3. #3

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    PM'ed Sirhc7897 and he said to set your PET to 1 cylinder 4 stroke. the setting is P 41
    Worked great for me wrap the wire three time around the coil just below were the power wires plug in and above the valve cover seal and wraped that with black tape to keep it there, fired it up and blipped the throttle a couple time and shut it right off as it wasn't on the hose and it followed the factory tach

  4. #4
    Hydrotoys's Avatar
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    That Chris is one smart fella!

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