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Thread: lm1 and eio offset how to

  1. #1
    Tuner cfar's Avatar
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    lm1 and eio offset how to

    I have set my scales in the lm1 to 0=10 and 5=18 afr.No advanced tab to scale sample rates.
    The lm1 reads correct but the VCM reads 1.5 low
    Tried a custom pid but must be doing it wrong-i have tried to follow the reads with no luck
    any help -photo shots-and how to is appreciated
    Where do you put the offset volatages-if i do it in user defined(.625 + 10)-its all wrong
    I must be doing something wrong
    thanks
    Last edited by cfar; 04-03-2007 at 06:40 AM.

  2. #2
    Tuner cfar's Avatar
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    got it finally-the learnig curve is steep

  3. #3
    Tuner in Training
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    what did you do to fix it? Mine is 4 points off and I can't figure it out with everything I have read.

  4. #4
    Tuner cfar's Avatar
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    Quote Originally Posted by exploder
    what did you do to fix it? Mine is 4 points off and I can't figure it out with everything I have read.
    Change the formula in the user defined +10 area -
    and retest accuracy -go up or down to nail it in
    that is what i did
    see this post-
    http://www.hptuners.com/forum/showthread.php?t=5267

  5. #5
    Senior Tuner S2H's Avatar
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    theres an even better writeup in the stickies with visuals..
    much easier method
    -Scott -

  6. #6
    Advanced Tuner INTHERED's Avatar
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    When I was setting up my LM1 to work with my Hptuner. I set the LM1 analog output 2 to a constant voltage to figure out my correction factor but
    the data logged by the Hptuner was not a flat line like I expected it was a waveform that was sorta flat but varied around .164 Volts. Is this normal ?

    Thanks >>>>> INTHERED
    LINGENFELTER MAGNACHARGED 2000 A4 Torch Red Z51 Vert, Smoothline HT, LPE IC Magnacharger, Z06 cam, LPE CNC heads, CC RPM kit, LPE hood, Yank 2800, Rossler trans, Z06 rear w/300Ms, Chrome C6 Z06 rims w/PS2s, Z06 calipers w/PF carbon metallics , Eradispeeds, WCC screens, BBK 80mm TB, TB bypass, 160 TS, GM Z06 MAF, Blackwing, Corsa Pace, AR headers X-pipe & Hiflow Cats, GM HP wires, NGK TR6s, Hptuned by INTHERED with a best 1/4 mile of 10.87 @ 128.90 mph on BFG DRs