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  1. Replies
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    690

    just wondering if anyone looked by any chance....

    just wondering if anyone looked by any chance. truck just feels lacking power. might have just already got used to it though.
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    04 2500 truck norris check

    just wondering if someone could critique my tune up on my 04 silverado. completely stock except truck norris cam and valve springs.
    this is after a only a few flashes so there will be further...
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    blind squirrel ive always done it that way so its...

    blind squirrel ive always done it that way so its not at the low limit or outside parameter.
    anyhow i changed stoich and added a few percent and everything is showing good. pulling about 3...
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    i do have a wideband but was just gonna use trims...

    i do have a wideband but was just gonna use trims for driveability for now.
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    yes just stock engine, stock rails, injectors....

    yes just stock engine, stock rails, injectors. only modifications were the exhaust and intake. regulator set around 58-59
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    lean everywhere except idle

    good morning all. i have a 4.8 4l60 swapped into an 88 grand wagoneer. shorty headers 2.5 y pipe to 3" exhaust out the back, maf at end of intake tube with filter attached(i know shitty setup).
    it...
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    742

    p59 throttle area max?

    does anyone know the maximum you can adjust this table?
    I cut down my pedal length to fit my application and its very touchy part throttle.
    option 2 should i go about it through torque...
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    can confirm it is that easy and charges normally.

    can confirm it is that easy and charges normally.
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    522

    05 p59 alternator swap

    doing a swap into my grand wagoneer. donor is an 05 sierra that has battery control module charging system. instead of wiring that stuff in can i just put in an 04 or earlier alternator and just turn...
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    33s and 4.10s weighing 6k lbs sounds about right...

    33s and 4.10s weighing 6k lbs sounds about right to me. hell ive never even seen double digits in my 02 2500 cclb. it weighs 6700lbs with 4.10 and 33s.
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    figured it out. it was a bad wideband sensor....

    figured it out. it was a bad wideband sensor. logged and watched narrow bands and they stayed rich. thank you for your input.
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    2,538

    any other ideas anyone?

    any other ideas anyone?
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    2,538

    i installed aftermarket rail. so feed goes to...

    i installed aftermarket rail. so feed goes to rail-crossover-rail-regulator. still same problem.
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    that is what was supplied with injectors. mas...

    that is what was supplied with injectors.
    mas tuning i tried those changes and no difference.
    i would think if i was running out of fuel at the rail i would see a drop in pressure at rail.
    im...
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    if you look at the pictures it is in the same...

    if you look at the pictures it is in the same cell of the ve table. this was 3rd gear footbrake. so the rpms are not increasing. it in the same cell and goes rich to lean.
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    also they are 1000cc injectors. 108957 this...

    also they are 1000cc injectors.
    108957
    this what you are talking about?
    with a referenced regulator shouldnt it be flat like this?
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    108952108953 yes there is a wideband but i...

    108952108953

    yes there is a wideband but i only hve it set in the chart layout.
    my hot select is high so it wont use that table.
    its rich as soon as it sees commanded but will quickly run lean....
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    running out of fuel

    first turbo build.
    6.0L 228/230 cam.
    gt45 turbo
    525 in tank
    sep1000
    boost referenced regulator
    fuel pressure doesnt drop at regulator or rail.
    but in the same ve cell it will go pig rich to...
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    segment swap throttle area

    doing a segment swap for a buddy. went from 4.8L to a 6.0L. found a pcm i had that had same os. under the throttle(33000, 33002) area should i leave the new area numbers or should i copy and paste...
  20. Thread: fan control

    by shtboxyj
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    1,403

    confirmed it needs to see engine running. put...

    confirmed it needs to see engine running. put the crank sensor to alternator fins and it started working.
  21. Thread: fan control

    by shtboxyj
    Replies
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    1,403

    fan control

    0411 pcm
    only thing hooked up is powers, grounds, coolant sensor and fan outputs.
    it will not command on the fans. will work with scanner output just fine.
    just trying to do as much as possible...
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    confirmed fixed. loose ground wire.

    confirmed fixed. loose ground wire.
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    just saw this but im am currently looking into...

    just saw this but im am currently looking into the coolant temp. i did another log with way less channels. and exactly when the when rich occurs coolant temp is tanking consistently with the problem....
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    the problem is it is not consistent. i can roll...

    the problem is it is not consistent. i can roll into full throttle and run it out to 6800 no problem(sometimes). and other times i stab it and jumps to 10 afr and bucks cause its choking on fuel....
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    yes the math parameter is there. ve table is...

    yes the math parameter is there. ve table is pretty smooth. and stft and ltft are around 5% or less when in closed loop.
    i will try logging less. and see if the wideband data shows better on the...
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