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Thread: Flex fuel to ls1

  1. #1
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    Flex fuel to ls1

    I have 2000 year corvette c5.which has ls1 pcm. I want to connect flex fuel unit(zetronix). Does anybody know pin number and diagram.
    Regards
    Kaan Turhan.

  2. #2
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    Help me please. I want 2000 corvette ls1 pcm pin number connect flex fuel system.
    Thank you

  3. #3
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    Pcm number 09354896

  4. #4
    Tuner in Training Mert's Avatar
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    Hi Guys,

    I'm sure someone has the right answer for my friend right here.
    I would highly appreciate if somebody steps up with the right answer.
    At the very lest, even a clue is enough...
    Beauty is only skin deep, Badass goes to the bone.

    99 Camaro Z28 gettin heads & cam when funs are sufficient
    74 Pontiac Firebird '98 LS1 conversion AT4 / Long tubes / Fast LSX intake / 92mm TB / Ported MAF / Ridetech 4 link / QA1s all around
    97 Tahoe 5.7 Vortec Superlift 6in. / 3in. Body Lift / 37 Toyo Open Country MTs on 20in. rims / Getting too many mods to list very soon
    [/SIGPIC]I am the Jackass Your mother warned you about.

  5. #5
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    The only flex fuel OS that will work in that PCM is 12216125.

    You can look up the pin based on a 2002 Tahoe.

    I do not know if the OS will interact with the rest of the car without a problem.
    Attached Files Attached Files
    2010 Camaro SS M6. Stock Bottom End, Heads/Cam/Intake/Headers/Exhaust.
    2005 Silverado RCSB. Forged 370 LQ9/Borg-Forced Inductions T6 S484/Jake's Stage 4 4L80E with D3 Brake/4WD.
    2023 Durango Hellcat

  6. #6
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    ...and please remember when you're posting a question...a lot of people only check here once a day. You may not get an answer within a few hours.

    There's a huge thread on LS1Tech about adding flex fuel to an LS1 F-Body...search for that, use "12216125" to help you find it. I've done it on those cars with the file I attached to the previous post as my base OS, and it's worked...I haven't tried it in a C5, which is drive by wire. You should be able to enable the ETC switch in the system options matrix to make it work in a drive by wire vehicle...but I'm not sure what other issues you may find.
    2010 Camaro SS M6. Stock Bottom End, Heads/Cam/Intake/Headers/Exhaust.
    2005 Silverado RCSB. Forged 370 LQ9/Borg-Forced Inductions T6 S484/Jake's Stage 4 4L80E with D3 Brake/4WD.
    2023 Durango Hellcat

  7. #7
    Tuner in Training Mert's Avatar
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    I think i'm also learning new stuff which had never crossed my mind. Flex fuel FBody...
    Beauty is only skin deep, Badass goes to the bone.

    99 Camaro Z28 gettin heads & cam when funs are sufficient
    74 Pontiac Firebird '98 LS1 conversion AT4 / Long tubes / Fast LSX intake / 92mm TB / Ported MAF / Ridetech 4 link / QA1s all around
    97 Tahoe 5.7 Vortec Superlift 6in. / 3in. Body Lift / 37 Toyo Open Country MTs on 20in. rims / Getting too many mods to list very soon
    [/SIGPIC]I am the Jackass Your mother warned you about.

  8. #8
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    Ok I am waiting for your reply
    Regards.