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Thread: Knock sensor wiring

  1. #11
    Lifetime Member 5.7ute's Avatar
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    Not very well actually. I ended up going back to the LS1 sensors just to get the thing on the road.
    The Tremor at AIR

  2. #12
    Lifetime Member mr.prick's Avatar
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    Did they trip off constantly or not at all?
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  3. #13
    Lifetime Member 5.7ute's Avatar
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    They acted weird. The main issue was once you got them to trip they wouldnt decay out. Plus various other problems. I didnt have the time to keep messing so eventually gave up.
    The Tremor at AIR

  4. #14
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    Are you seeing any knock at all in your logs? I also have the LS1 sensors screwed into the sides of my LSX block and I have not seen ANY KR in my logs, which is not normal for even a stock engine under cruise conditions. Did you make any changes in the tune re sensitivity for the new sensor location? Its a little scary boosting 20 psi not knowing if any knock will be detected or not.
    2017 Camaro SS, 2014 Ram 2500 4x4 Cummins 6.7L, 2004 Chevy Avalanche Z71 4̶X̶4̶(now 2WD), 5870lb race weight, 10.93@ 124, Twin TVS1900s, Twin Throttle, 429 LSX, 4L80E, custom 14 bolt rear, V2, R̶o̶a̶d̶R̶u̶n̶n̶e̶r̶(dead), COS3......
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  5. #15
    Lifetime Member 5.7ute's Avatar
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    During summer I was getting some audible knock which was corresponding in the logs. They do appear to be a bit less sensitive in the new position, either that or the old position was prone to false triggering from the valvetrain.
    The Tremor at AIR

  6. #16
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    Quote Originally Posted by 5.7ute View Post
    During summer I was getting some audible knock which was corresponding in the logs. They do appear to be a bit less sensitive in the new position, either that or the old position was prone to false triggering from the valvetrain.
    Good to hear that yours are actually working. I Don't want to rely on my ears because all I hear is exhaust roar and blower whine at WOT.

    I have found many similar threads on various forums, some as old as 2005. The original posters had the same issue as I have. There are always very few responses and none of the threads end with a solution/resolution.
    2017 Camaro SS, 2014 Ram 2500 4x4 Cummins 6.7L, 2004 Chevy Avalanche Z71 4̶X̶4̶(now 2WD), 5870lb race weight, 10.93@ 124, Twin TVS1900s, Twin Throttle, 429 LSX, 4L80E, custom 14 bolt rear, V2, R̶o̶a̶d̶R̶u̶n̶n̶e̶r̶(dead), COS3......
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  7. #17
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    Quote Originally Posted by DrX View Post
    Good to hear that yours are actually working. I Don't want to rely on my ears because all I hear is exhaust roar and blower whine at WOT.

    I have found many similar threads on various forums, some as old as 2005. The original posters had the same issue as I have. There are always very few responses and none of the threads end with a solution/resolution.
    Bumping an old thread:

    I have an '06 GTO LS2/T56 (24x) with the E40 PCM. This is going into a BMW and for various reasons, I think I'd be better off ditching the E40 and going with an LS1 computer.

    I'd like to be able to retain the LS2 knock sensors because using the large LS1 sensors in the stock LS2 external location could end up causing both header and steering shaft clearance issues.

    Has there been progress on tuning/setting up the LS1 computer to run properly with the LS2 knock sensors?

    TIA.

    Tipsy

  8. #18
    Lifetime Member johnv's Avatar
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    I would also be interested to know, I will be running an LS2 style cast block (LY6) with an LS1 PCM and don't have space for the LS1 knock sensors, so was hoping to run LS2 sensors.
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