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  1. #1
    t_hoang02's Avatar
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    O2 sensor location??

    Ok, I have been in contact with Tony at TDR racing... he said he could weld me a O2 Bung on his TDR waterbox. The only problem is that he doesn't know where he should weld the bung and I don't either. Ok please see pic. The greenish brown dot is where I think the o2 bung could be welded.... is this a good spot or is it even a good idea to have the o2 reading from the waterbox?? I know the pic is not a TDR water box and it is a Riva box, but the one im getting from TDR is the same thing...
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  2. #2
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    is it for your 08 px? you can just drill and tap the exhaust mani. for the 02 sensor, im in the process of doing it right now. dont know if the sensor would live for long in that location....

  3. #3
    t_hoang02's Avatar
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    Quote Originally Posted by Mike H View Post
    is it for your 08 px? you can just drill and tap the exhaust mani. for the 02 sensor, im in the process of doing it right now. dont know if the sensor would live for long in that location....

    Yes this is for my 08 px... can you post a pic of yours??

  4. #4

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    O2 Tap

    Take it to any automotive machine shop and have them drill and tap as close to the water outlet as you can.
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  5. #5
    richrxp's Avatar
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    Quote Originally Posted by Ken IS255 View Post
    Take it to any automotive machine shop and have them drill and tap as close to the water outlet as you can.
    Perfect position,that's where i have the sensor mounted also.
    Much easier then welding,the manifold is easy to take off,12 torx bolts,and a few water hoses,easy job !

  6. #6
    t_hoang02's Avatar
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    Thanks for the pic... I think I'm going to put my's at the same spot...

    Thanks again

  7. #7
    Water4fire's Avatar
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    Also this is my opinion, but in the exhaust manifold it is less likly to burn the O2 sensor up from the steam and water in the waterbox! It kills O2 Sensors.


    .

  8. #8
    richrxp's Avatar
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    Quote Originally Posted by Water4fire View Post
    Also this is my opinion, but in the exhaust manifold it is less likly to burn the O2 sensor up from the steam and water in the waterbox! It kills O2 Sensors.


    .
    That's a good point,the sensor will be damaged for sure.
    Exhaust manifold is the best place ,it's dry so no corrosion.

  9. #9
    home of the dislexic fingers breon's Avatar
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    os it safe for all years to be tapped there??? heard some years you can get into the water jacket..

    my manifold spacers.. will be done soon... so it will already push the waterbox back 3/4 as the runners curve out of the head smoothing the exhause flow better than just the straight torque plate i have dimples for egts in it but a o2 wouldnt fit and it would only be 1 cylinder..so i want to tap the exhaust manifold rather than a spacer.mine is a 07

  10. #10
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    dont believe you can do it on an 07. supposed to be less "material" that location to make it work. 08 and later

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