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  1. Thread: New Guy

    by dave w
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    :welcome: Link to gearhead-efi OBD2 tuning...

    :welcome:

    Link to gearhead-efi OBD2 tuning information: http://www.gearhead-efi.com/Fuel-Injection/forumdisplay.php?32-OBDII-Tuning

    dave w
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    I can design a 2BBL adapter based on the drawing...

    I can design a 2BBL adapter based on the drawing attached in post #25.

    The inserted image in this post is an incomplete design that tappers / drafts the 50mm 454 Throttle Body down to 40mm bores...
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    I've designed several TBI adapters. Sample IH 4...

    I've designed several TBI adapters. Sample IH 4 barrel design screen shots below. There could be a trade off in TBI adapter design, some adapter designs are focused on flow and other adapter...
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    :welcome: dave w

    :welcome:

    dave w
  5. Thread: Hi new guy

    by dave w
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    97

    :welcome: dave w

    :welcome:

    dave w
  6. Thread: New here

    by dave w
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    :welcome: dave w

    :welcome:

    dave w
  7. Replies
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    :welcome: gearhead-efi OBD2 information link:...

    :welcome:

    gearhead-efi OBD2 information link: http://www.gearhead-efi.com/Fuel-Injection/forumdisplay.php?32-OBDII-Tuning

    dave w
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    The general consensus is the 92 4L80E will not...

    The general consensus is the 92 4L80E will not work with the either a 16197427 or 16196395. The 92 has a pressure control solenoid manufactured by Bosch and requires the motor to be cycled at...
  9. Thank you for posting the .bin and .xdf you are...

    Thank you for posting the .bin and .xdf you are working with.

    I use TunerPro for most of the OBD1 computers I work with. I use TunerCats OBD2 for most of the OBD2 computers I work with. I have...
  10. The fuel table and spark table parameters are the...

    The fuel table and spark table parameters are the most common to make adjustments to. The emissions parameters are the next most common.

    Until you have a good understanding of what the parameter...
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    Thank You!:thumbsup: dave w

    Thank You!:thumbsup:

    dave w
  12. Replies
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    Ok, it's good to know the original stock chip is...

    Ok, it's good to know the original stock chip is being used.

    Myself and several other gearhead-efi members have been at the same crossroad, wanting optimal performance for our modified TBI...
  13. Thread: Hello!

    by dave w
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    :welcome: There is some good information at...

    :welcome:

    There is some good information at this gearhead-efi link: http://www.gearhead-efi.com/Fuel-Injection/showthread.php?303-16197427-PCM-Information-0D

    There is the option to tune the 94...
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    94 - 95 LT1 Knock Sensors

    According to LT1 Swap http://lt1swap.com/lt1_bcc.htm the 94 - 95 F-Body uses ONE knock Sensor and 94 - 95 B-Body uses TWO knock sensors.

    My question is: Will a 94 - 95 Camaro Flash correctly...
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    1987-1995 TBI computers are On Board Diagnostics...

    1987-1995 TBI computers are On Board Diagnostics ONE or OBD1. The OBD1 TBI computers use removable Chips.

    This gearhead-efi link has chip information for the 1994 GMC K1500:...
  16. Thread: New to site

    by dave w
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    :welcome: Many members here started out with...

    :welcome:

    Many members here started out with TBI systems, myself included. We are here to help

    dave w
  17. :welcome: We enjoy automotive posts for new...

    :welcome:

    We enjoy automotive posts for new and old things automotive.

    dave w
  18. Replies
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    gearhead-efi link for information using the...

    gearhead-efi link for information using the 27SF512 chip: http://www.gearhead-efi.com/Fuel-Injection/showthread.php?1591-Installing-G1-Adapter-form-Moates

    Make sure the Memcal is correctly...
  19. Thread: Hi, New guy.

    by dave w
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    Correct "Carb and Points" is based on the number...

    Correct "Carb and Points" is based on the number of posts. I agree, "Carb and Points" it could be derogatory. More often than not, new members are beginning an EFI project for the first time. The...
  20. Thread: Hi, New guy.

    by dave w
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    383

    There are 2732 chip variants, using either 12.5...

    There are 2732 chip variants, using either 12.5 volts, 21 volts, or 25 volts to program. Programming a 2732 chip with the incorrect voltage could permanently damage the chip.

    A gearhead-efi post...
  21. Thread: Hi, New guy.

    by dave w
    Replies
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    383

    :welcome: The 160 baud rate TBI computer like...

    :welcome:

    The 160 baud rate TBI computer like the 92 K1500 computer can be a limiting factor for tuning a performance TBI engine.

    The 8192 baud rate 93 - 95 TBI computer, offer more tuning...
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    This TunerPro link will help:...

    This TunerPro link will help: http://www.gearhead-efi.com/Fuel-Injection/showthread.php?466-TunerPro-starter-Tutorial!-New-users-this-is-a-must-read!-)
    it's based on the 1227747. TunerPro for the...
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    :welcome: Perhaps SIA Electronics can help? ...

    :welcome:

    Perhaps SIA Electronics can help? http://siaelec.com/product/16159278-92-93-corvette-ecm-ecu-repair-return/

    SIA Electronics is the largest remanufacture of anti-lock brakes systems...
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    I like the plan to start working with TunerPro...

    I like the plan to start working with TunerPro RT.

    The BJLH .bin file in post #20 is a "Known Good" choice. BJYL_700R4 file is likely a modified file. For a beginner, starting with an unmodified...
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    I've been curious to understand why adjusting...

    I've been curious to understand why adjusting Altitude Spark Bias to ZERO will stop the negative numbers? Possibly source code that has not been reversed engineered?

    dave w
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