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Thread: LB7 to LBZ CP3 swap tune adjust

  1. #1
    New Member
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    Jan 2008
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    Default LB7 to LBZ CP3 swap tune adjust

    We changed out the CP3 off the LB7 and put on a LBZ pump today and need to adjust the tune for it. Any help would be great.
    06 3/4 ton PPE,EFI Live,Tranny,Lift pumps

    01 1/2 ton

  2. #2
    New Member
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    Dec 2008
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    Default

    you have to change table b1010. voltage is different form lbz's to lb7's

  3. #3
    Senior Member
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    Mar 2006
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    Set up a pid file showing regulator current des and actual
    Adjust b1010 accordingly to get them to match
    2017 Trailblazer 2.5L Dmax
    07 LBZ rc lb EFI - Sold
    05 lly cc lb, EFI 80hp tune-Sold
    01 lb7 rc lb EFI & Road Runner,1000+hp -Sold
    Duramax power

  4. #4
    Junior Member
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    Apr 2010
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    Default

    Any updated info on this?

  5. #5
    Lifetime Member dansdieselp's Avatar
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    Apr 2009
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    606

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    Easy way to make the adjustment is to add 10% to the rail regulator current table B1010. Then log your actual vs desired rail pressure and adjust if needed.
    Dan's Diesel Performance
    www.dansdieselperformance.com

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