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Thread: Feedback on first ever tune for a 91 Speed Density TPI L98

  1. #16
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    Quote Originally Posted by ralmo94 View Post
    Could you post the bin you are using, along with the XDF?
    Ok had to switch to my tuning computer:
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  2. #17
    Fuel Injected! ralmo94's Avatar
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    Do you also have the original bin before you started tuning, so I can see the differences ?
    No need to re-invent the wheel. But we can make it better

  3. #18
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    Quote Originally Posted by ralmo94 View Post
    Do you also have the original bin before you started tuning, so I can see the differences ?
    Yeah here is the original BIN supplied with the EBL P4 Flash I was told by RobR to use for a 91 Speed Density 350 TPI with an auto trans
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  4. #19
    Fuel Injected! ralmo94's Avatar
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    Only real changes I see are

    VE Tables 3
    Idle Speed
    EGR
    Spark Advance

    I would suggest setting so everything commanded is stoich
    and dial the VE in there.

    Open Loop AFR
    Example Highway Mode
    PE
    Open Loop Max AFR

    Either by Wide Band VE Learn, or blm tuning, Or just log the wide band open loop and tune from there.

    I see the extended VE leans up as RPM increase and the original did not. I think I would copy 6k rpm to the end.
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    Last edited by ralmo94; 04-15-2022 at 11:24 PM.
    No need to re-invent the wheel. But we can make it better

  5. #20
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    Ok I'll try that. Thanks!

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