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Thread: Are my knock sensors still active?

  1. #1
    Advanced Tuner
    Join Date
    Jun 2014
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    216

    Are my knock sensors still active?

    I get a burst knock every once in a blue moon while cruising but never seen any at WOT. Had a few runs tonight and had the laptop with me. With VCM controls I've went up to 33* and never saw any knock even with it still running a bit lean. Are my knock tables still set properly? Is that amount of timing over kill?
    04 Single cab Lq4/243 228r 112lsa, Long tubes, catless, Yank st3000.

  2. #2
    Advanced Tuner
    Join Date
    Jun 2014
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    Was thinking about throwing my nitrous kit on for a short while and not sure if I'm already way past timing for n/a setup and backing off a couple degrees wouldn't be enough when I do.
    04 Single cab Lq4/243 228r 112lsa, Long tubes, catless, Yank st3000.

  3. #3
    Tuner
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    Aug 2014
    Location
    Bend, OR
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    94
    Comparing your file to mine, our "enable delta cylinder air vs rpm" looks very different. Where yours is 8.0 all the way across, mine goes from .04 to .03 then .02 from 1600 rpm all the way across. Not sure what effect that has, I'm pretty new to this. Just thought I'd share.
    1994 Trans Am: LS3 Crate Swap - Cam Motion 216/226-116+3 - 0411 PCM with Lingenfelter 58x > 24x Converter - 4L60E to RPM T56 - Strange 12 Bolt - UMI Suspension - TSP 1 7/8" Headers - GMMG Exhaust

  4. #4
    Tuner in Training
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    Nov 2013
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    Gastonia,NC
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    8 all the way across disables burst knock from my understanding.

  5. #5
    Advanced Tuner
    Join Date
    Jun 2014
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    216
    Has anyone else ran this much ignition timing on 93 octane or is it over kill
    04 Single cab Lq4/243 228r 112lsa, Long tubes, catless, Yank st3000.

  6. #6
    Senior Tuner
    Join Date
    Sep 2008
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    1,668
    I think you're probably 6-7 degrees past peak power.
    2010 Camaro SS M6. Stock Bottom End, Heads/Cam/Intake/Headers/Exhaust.
    2005 Silverado RCSB. Forged 370 LQ9/Borg-Forced Inductions T6 S484/Jake's Stage 4 4L80E with D3 Brake/4WD.
    2023 Durango Hellcat