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Thread: Will Socketed V6 SBEC work in turbo 2.5?

  1. #1
    Hybrid booster Turbo Mopar Contributor
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    Will Socketed V6 SBEC work in turbo 2.5?

    I have two sbecs. One is a rare one from an 89 Dynasty 3.0 and the other is from a 90 Lebaron 3.0 v6. If I socket these will one or both be able to be used in my 90 Spirit 2.5 turbo car with a turbo cal?

  2. #2
    Supporting Member Turbo Mopar Contributor mopar-tech's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    I don't think so


    Working on clearing the decks.

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    Supporting Member Turbo Mopar Contributor
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Quote Originally Posted by rgl10 View Post
    I have two sbecs. One is a rare one from an 89 Dynasty 3.0 and the other is from a 90 Lebaron 3.0 v6. If I socket these will one or both be able to be used in my 90 Spirit 2.5 turbo car with a turbo cal?
    What don't you give it a try?? I was thinking about this as well as I have a number of V6 SBECII
    Regards,
    Miles

    DD '87 Sundance T1, SLH with rear disks
    '87 CSX #432 2.5 CB TII, SLH

  4. #4
    turbo addict
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    I don't think it will, either, but if it does, well, that opens up some windows for the 3.0!

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    Supporting Member II Turbo Mopar Contributor ajakeski's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Probably not due to the injector driver. That is the reason TBI four cylinder computers don't work with turbo engines and V6 truck computers don't work with V8 engines.

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    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    V6 should have more drivers than the 4-cyl. Might work.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  7. #7
    Boost, it's what's for dinner... Turbo Mopar Staff Aries_Turbo's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    id give it a go.

    try to burn a 4 banger cal and slam it in and see if it runs.

    that said, those with the disassembly stuff set up, (cough, cough, wowzer.....) could disassemble both a v6 and a turbo cal for the same year (like 89) and see what the IO looks like.

    if there are just extra v6 stuff thats not mapped to things that the 4 cyl cals need, then i would think that it would work.

    i mean, at idle, it wouldnt hurt anything to try.

    Brian
    Last edited by Aries_Turbo; 09-28-2018 at 09:02 PM. Reason: speeling lol

    Quote Originally Posted by turbovanman
    This one is easy, I have myself to blame, I rush things, don't pay attention to gauges when I should, change to much stuff at once then expect miracles, the list is endless.

  8. #8
    Supporting Member Turbo Mopar Contributor
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    I realize the OP is talking about SBEC but on a related topic, I just confirmed a community member reprogrammed a V6 SBECII to L4. Here is his message as I asked him if he tried with a turbo.

    I have installed it into a 2.5L TBI non-turbo. All I did was socket the ROM chip and install a ROM with the 2.5 TBI cal from another SBEC-II. All of the necessary components appear to be on the 3.0 and 3.3 V-6 SBEC-II boards. They just need the software/program, found on the Calibration chip to run them

    Regards,
    Miles

    DD '87 Sundance T1, SLH with rear disks
    '87 CSX #432 2.5 CB TII, SLH

  9. #9
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    That's what I figured. Good to have it confirmed though.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  10. #10
    Hybrid booster Turbo Mopar Contributor
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    The reason I was wondering is that the sbec computers I have only control 3 sets of injectors on the 3.0 V6. The 2.5 turbo computers have 4 injector wires. I just wondered if the extra hardware driver was in the sbec one V6 computer.

  11. #11
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Quote Originally Posted by rgl10 View Post
    The reason I was wondering is that the sbec computers I have only control 3 sets of injectors on the 3.0 V6. The 2.5 turbo computers have 4 injector wires. I just wondered if the extra hardware driver was in the sbec one V6 computer.
    SBEC 1 still batch fires the injectors, so the 4-cyl only needs 2 drivers.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  12. #12
    Supporting Member Turbo Mopar Contributor mopar-tech's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Quote Originally Posted by Force Fed Mopar View Post
    SBEC 1 still batch fires the injectors, so the 4-cyl only needs 2 drivers.
    SBEC is sequential injector firing on turbo cars..


    Working on clearing the decks.

  13. #13
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Quote Originally Posted by mopar-tech View Post
    SBEC is sequential injector firing on turbo cars..
    I thought that didn't happen until SBEC II. I know 90-91 SBEC V6 is batch, then in 92 they went to SBEC II which was sequential.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  14. #14
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    The 89 CSX was the first of our 4cyl turbo cars to be sequential.

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    Supporting Member Turbo Mopar Contributor mopar-tech's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Quote Originally Posted by cordes View Post
    The 89 CSX was the first of our 4cyl turbo cars to be sequential.
    Which just for clarification has an SBEC, the first Chrysler turbo package to have one.

    Across the board on turbo cars in 1990.


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  16. #16
    Moderator Turbo Mopar Staff Vigo's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Rob Lloyd confirmed that this would work years ago. I guess it's not common knowledge because not many would think to ask the question, but it has been done.

    Dont push the red button.You hear me?

  17. #17
    Supporting Member II Turbo Mopar Contributor ajakeski's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Good to know.

  18. #18
    Hybrid booster Turbo Mopar Contributor
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    I took a look inside both the 89 and 90 sbec computers I have and they are obviously missing some hardware. So I guess they don't have the necessary injector drives to make them work on a 4 cylinder.

  19. #19
    Boost, it's what's for dinner... Turbo Mopar Staff Aries_Turbo's Avatar
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Quote Originally Posted by rgl10 View Post
    I took a look inside both the 89 and 90 sbec computers I have and they are obviously missing some hardware. So I guess they don't have the necessary injector drives to make them work on a 4 cylinder.
    just try it. if it doesnt work all youve lost is time.... but if it does work, you help the community.....

    Brian

    Quote Originally Posted by turbovanman
    This one is easy, I have myself to blame, I rush things, don't pay attention to gauges when I should, change to much stuff at once then expect miracles, the list is endless.

  20. #20
    Supporting Member Turbo Mopar Contributor
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    Re: Will Socketed V6 SBEC work in turbo 2.5?

    Quote Originally Posted by rgl10 View Post
    I took a look inside both the 89 and 90 sbec computers I have and they are obviously missing some hardware. So I guess they don't have the necessary injector drives to make them work on a 4 cylinder.
    If you are handy with an iron you could add the necessary driver. I was thinking of during this to one of my SBEC at some point
    Regards,
    Miles

    DD '87 Sundance T1, SLH with rear disks
    '87 CSX #432 2.5 CB TII, SLH

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