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  1. #1
    Every adventure comes to an end........ Not Today! wreckingball's Avatar
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    4-Tec Oil Pressure Gauge Install - Wreckingball's GTX HOW TO.

    I'd like to ask for some help here. I know where the sensor is on the rear of the head that reads oil pressure. I understand that you can remove it to put in a mechanical gauge. What I'd like to know is:

    1. Can you install a mechanical gauge and the OEM sensor (has anyone done this?)
    2. What size thread is the hole?
    3. If I install a mechanical gauge to use full time, can I trick the ski into thinking the pressure is fine (sounds like a bad idea...)
    4. Can people post some photos and descriptions of how thiers is done.

    Thanks
    Last edited by wreckingball; 09-13-2011 at 11:32 AM.


  2. #2
    Moderator beerdart's Avatar
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    The stock sensor is in the block. The back of the head has a 1/8 NPT plug you remove and install the gauge.

  3. #3
    Every adventure comes to an end........ Not Today! wreckingball's Avatar
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    If I used a brass T fitting to run a gauge and sensor, do you think it would still be accurate on both the gauge and sensor? I'm guessing the sensor is mostly for dummy awareness so that you don't run your ski without oil pressure.

  4. #4
    Moderator beerdart's Avatar
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  5. #5
    Moderator beerdart's Avatar
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    No need for a tee if you put the gauge in the head. But yes pressure is equal with the tee.

  6. #6
    Every adventure comes to an end........ Not Today! wreckingball's Avatar
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    Quote Originally Posted by beerdart View Post
    No need for a tee if you put the gauge in the head. But yes pressure is equal with the tee.
    I just saw that! thanks. All I had to go by was my shop manual. Your diagram makes it much easier to follow. just ordered a gauge. I'll have to add a picture once it's in. Thanks for your help Steve!

  7. #7
    Every adventure comes to an end........ Not Today! wreckingball's Avatar
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    I just ordered an 18" stainless braided line so that I can mount the gauge in my seat bridge. That way if I am running with my seat off to view the motor, I'm not trying to look all the way inside the hull to see my gauge. I'll post a pic when I get it all in.

  8. #8
    Every adventure comes to an end........ Not Today! wreckingball's Avatar
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    I remotely mounted my gauge under the bridge. I started thinking, "what if I actually want to read the gauge when riding"? Mounting the gauge that low in the motor would just be a pain in my @ss on this ski. So I bought one 90 deg street elbow and one female/female elbow. I then used an 18" paintball gun line (rated to 3000psi) and connected it all to a small oil filled gauge that is imtended for a Harley. I fabbed up a small piece of metal and used a rubber gromet to mount my gauge to the bridge on the front side. So now while I'm riding, I can remove the front seat and easily see the gauge.





  9. #9
    oklagp1200r's Avatar
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    What good is a oil pressure gauge if you can't see it while riding it normally with the seat on!

  10. #10
    Every adventure comes to an end........ Not Today! wreckingball's Avatar
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    Quote Originally Posted by oklagp1200r View Post
    What good is a oil pressure gauge if you can't see it while riding it normally with the seat on!
    You can mount it anywhere you want. I only want to see it if I'm testing or concerned about pressure without having to go home to install a gauge.

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