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LONG TUBES AND Y PIPE??? O2 sensors??

This is a discussion on LONG TUBES AND Y PIPE??? O2 sensors?? within the External Engine forums, part of the LSx Technical Help Section category; im getting ready to buy and install pace setter longtubes and a y pipe. how do i go about running ...

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    Member 1bad99ss's Avatar
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    LONG TUBES AND Y PIPE??? O2 sensors??

    im getting ready to buy and install pace setter longtubes and a y pipe. how do i go about running the o2 sensors?? because obviously im not going to be running cats? how do i eliminate them and will it run like crap if i install the stuff and drive it untill i get it tuned?? basically i need to know what to do with the o2 sensors before the tune and if it will run ok untill i get the tune?

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    Member Corey1987's Avatar
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    mine ran ok for a while, like almost a month, without rear o2 sensors but now my car is starting to skip after startup, i think my car is running real rich and starting to foul out my spark plugs. so yeh, get some o2 simulators.

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    Iraq money well spent. TRY ME GT's Avatar
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    just get it tuned bro. if youre spending the $ on the LTs and the pipe just spend a couple extra bucks.

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    Member 1bad99ss's Avatar
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    Quote Originally Posted by TRY ME GT View Post
    just get it tuned bro. if youre spending the $ on the LTs and the pipe just spend a couple extra bucks.
    yeah i plan on getting it tuned but not right away after the install. im just wondering if it will run ok for a few weeks untill it gets tuned?

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    Member 1bad99ss's Avatar
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    somebody has to know something?????

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Yes, it will run fine. I just asked this question a little bit ago. A couple of people replied and said it will run fine. All the rear o2's do is do a check to see if the cats are working properly.

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    Member 1bad99ss's Avatar
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    ok thanks! i really appreciate it. LTs here we come!!!

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    By the way, sweet car. I got the same but with silver ZR-1's. I have the chrome ZR-1's off of my 97"SS" but the I need two cause they got bent when the car got totaled.

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    The Bandit Wesman's Avatar
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    Quote Originally Posted by 9t8z28 View Post
    Yes, it will run fine. I just asked this question a little bit ago. A couple of people replied and said it will run fine. All the rear o2's do is do a check to see if the cats are working properly.
    Exactly.

    If your car is running like crap, its not the rear O2's that are causing it. Possible the primary O2's, your tune, or any number of other things, but all the rear O2's do it tell the ECU whether the "catalyst efficiency" is within the "threshhold". Nothing more, nothing less

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