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Thread: fuel tuning information/build log thread

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    Member Not Verified Feedback Score 4 (100%) dpartinvr4's Avatar
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    fuel tuning information/build log thread

    I plan to use this to document the process of tuning my car "I"ll put modifications at the bottom" and for anybody to input bits of information they may have on the subject.

    My goal is to achieve 10.5-11.0 afr under WOT, and 80% IDC's, I don't have timing control so I can't personally throw that into the equation, but maybe somebody else can. I use Hand Held Halo to log my Hybrid 95 ECU, and will be posting up my "session files" that can only be read with with HHH, so I will link the free demo that will let you look at them below. MR2 is kind enough to host my files and they can be found here Index of /Files/HHH/Sessions as of right now, some of his and mine are mixed together, and I will see if he can split them up into sub folders so they can easily be distinguished.

    as of yet, I haven't got the formula for my wideband worked out, so I can't accurately log it, and MY DIS4 was issued an RMA and should be back in a couple of days. but everything else looks good, the only problem I can see is my maf has maxed out at 1603.9htz, I don't know yet if this is just the highest the program is set to log or what, but I'll get in touch with Neil at HHH and find out.

    HHH demo HHH Hybrid OBDII Datalogger v3.6 (FULL).exe

    MODS LIST
    EXHAUST-
    TDO4HL 13T's "rob beck converted"
    Ebay downpipe
    3" pipe
    Borla XR-1 Muffler
    Velocity Racing stainless tip
    INTAKE-
    cotton cone filters
    3sx pre turbo pipes
    PMP CXR FMIC
    HKS RFL BOV
    vaccum delete
    ISC and CIAV delete
    EGR delete
    IGNITION-
    MSD DIS4 "on it's way back from MSD"
    GM coil pack
    MSD wires
    NGK R5176A-9 copper plugs ".040 gap"
    FUEL "air" CONTROL-
    GM LS6 MAF "BLow through"
    MAFT
    Apexi SAFC
    HDI SBC D-se
    AEM Adjustable FPR
    3sx inline Fuel Pressure Gauge
    hotwired Walbro pump
    MISC-
    dyna Bat
    8 gauge ground wires to starter, frame and engine
    NA radiator
    complete A/C delete
    T case Brace
    SS brake lines
    short shifter mod
    corbeau a4 seats
    99 CF wing
    Last edited by dpartinvr4; 07-04-2011 at 12:00 AM.

  2. #2
    Member Not Verified Feedback Score 4 (100%) dpartinvr4's Avatar
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    http://www.3000gt.com.au/Friends/dpa...20SAFC.session
    http://www.3000gt.com.au/Friends/dpa...ection.session


    here are my first two runs. after seeing what my IDC's looked like with the SAFC correction, I zeroed it out. this has put my IDC's exactly where I want them, and my AFR is just a little rich still. I'm going to try and pull 5% (one click) across the board with the SAFC and see what afr's and IDC's that yields tomorrow. If it goes too lean, I can put my MAFT in WOT mode, and use 2% adjustment increments spaced further apart in the RPM band. for a little less drastic adjustmen

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    wow i have pretty much the same setup and am just starting to get deep into my tuning...subscribed!!

  4. #4
    Member Not Verified Feedback Score 4 (100%) dpartinvr4's Avatar
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    Quote Originally Posted by What_Turbo_Lag? View Post
    wow i have pretty much the same setup and am just starting to get deep into my tuning...subscribed!!
    Saddly, my clutch won't hold over 12 lbs of boost so this is on hold pending a stage 3 south bend clutch. On another note, i have the tune pretty close, at 11.0 at WOT.

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