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    Look here for how to build a spark table:...

    Look here for how to build a spark table: https://www.thirdgen.org/forums/diy-prom/761049-spark-advance-table-example.html#post6301288
  2. Thread: spark advance

    by 84Elky
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    Two things that may help: A VSS is necessary in...

    Two things that may help:
    A VSS is necessary in most all applications because there are many IAC positioning and other decisions made by the ECM code based on whether the car is moving or not. This...
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    Possible but not something for the faint-hearted....

    Possible but not something for the faint-hearted. The intake fitment/angle with Vortec heads is different than pre-Vortec and would be subject to oil and water leaks. Buy the SD intake and use proper...
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    Logs are way too short to determine anything. If...

    Logs are way too short to determine anything. If logs are correct, the REV 8.1 log is way lean 150+. Idle log is all open loop and NG.
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    Analyzed your log. Files attached. Took about 10...

    Analyzed your log. Files attached. Took about 10 min. because had to change log column headings in Analyzer. In the future you can just load the Analyzer and your log file and go.

    Some comments...
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    1. Could you explain exactly what you mean by...

    1. Could you explain exactly what you mean by "tuning for better throttle response". Many ways to interpret -- want faster revs with throttle pop, bogging at throttle pop, slightly stalling at...
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    Can't say it's better or different, just...

    Can't say it's better or different, just summarizes all important data in a log. Open it up along with the sample log file and view the data provided. Would welcome all feedback good or bad.
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    Not just for AUJP. The default configuration is...

    Not just for AUJP. The default configuration is for a log file created by S_AUJP v5 using the provided ADX file, but will easily analyze any Speed Density log file (csv, xls, xlsx) produced by any...
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    Might look at this if Speed Density....

    Might look at this if Speed Density. Automatically provides analysis from any log file all data needed for quick tuning....
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    Good for you. It's nonsense such as you...

    Good for you. It's nonsense such as you encountered that's just uncalled for. Glad you cut him loose. Tuning yourself is the ONLY way to go!




    Be careful:
    1. Limp Mode: In the above link,...
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    Some comments: - If your memcal had an id...

    Some comments:
    - If your memcal had an id sticker on the PROM, it's been removed, so identification difficult
    - Was unable to locate the number on the knock filter board (1162308) in a cross...
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    Might also export a log file and run it through...

    Might also export a log file and run it through the Analyzer at Post #1 of this link: http://www.gearhead-efi.com/Fuel-Injection/showthread.php?4248-S_AUJP-v5-Log-File-Analyzer&p=48884#post48884.
    ...
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    What I meant to convey: 1. It should be going...

    What I meant to convey:
    1. It should be going into limp mode, and if you do not have a TPI MEMCAL (preferable AUJP), it will not run. For example, if you have a MEMCAL for a 6 cyl or a carbed v8,...
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    ECM not bad. Can beat a 7730 to death physically...

    ECM not bad. Can beat a 7730 to death physically and electrically and they keep on ticking. You're running this bin based on your PROM code 0x23B: "AUJP 90 F-car 5.7 TPI auto". But with TPI, you...
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    You need to post an exported .csv or .xls file...

    You need to post an exported .csv or .xls file from TPro. The .xdl is useless without your XDF file.
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    How NBo2 Sensor Input Controls Fuel Delivery

    This document describes how Injector Base Pulse Width (BPW) is calculated, and then how it is corrected in Closed Loop (CL) with NBo2 sensor input. Also addressed is the effect on BPW if o2-related...
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    Would encourage you to use S_AUJP v5 found here:...

    Would encourage you to use S_AUJP v5 found here: http://www.gearhead-efi.com/Fuel-Injection/showthread.php?4170-1227727-1227730-1227749-v-S_AUJP Instructions are complete and straightforward, and...
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    OL by definition means INT and BLM =128, so no...

    OL by definition means INT and BLM =128, so no way without WB. However, can set BLM min and max calibration values at 0x51D and 0x51E =128 and tune with the INT in CL and you'll get close to OL. This...
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    Might also consider AC Delco AFS-74 (GM xref...

    Might also consider AC Delco AFS-74 (GM xref 19178959). Easy to replace stock. Easiest to splice into fuel pump 12v downstream of the relay. HTH.
  20. Understand. At some time, many here were where...

    Understand. At some time, many here were where you are now. A BIN is the computer file that essentially runs your engine (xxxx.BIN). It's stored on an EPROM chip on the MEMCAL in your ECM. The BIN...
  21. I'm not a paid tuner but will be glad to help....

    I'm not a paid tuner but will be glad to help. But to do that, need you to do the following:


    Describe the idle issue in detail
    Post up your BIN and a TunerPro .xdl log file or an exported...
  22. Thread: high way spark

    by 84Elky
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    As Six said -- Virtually all of the GM OBDI auto...

    As Six said -- Virtually all of the GM OBDI auto trans BCCs check Calibration Switches to determine the conditions under which Hwy spark will be invoked:
    If TCC locked or unlocked
    In HI (4th) gear...
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    If you're running $8d in a '7727, you can use...

    If you're running $8d in a '7727, you can use S_AUJP v5 which allows setting an RPM at or below which OL will be invoked,. So if want to only use OL for idle, set OL RPM say to 1000, or if want OL...
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    New Analyzer

    Version Updates
    V11i 12/21/2015
    - Corrected divide by zero error if last log sample is the last sample completing an o2 data sample period as specified on the INPUT Tab

    V11h 12/15/2015
    -...
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    Any chance you can post your BIN? Many variables...

    Any chance you can post your BIN? Many variables not in the log that could have a bearing on the issue. Also, do you have VSS installed?
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