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Thread: SMEC tbi to turbo

  1. #1
    Mitsu booster
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    SMEC tbi to turbo

    Has anyone ever flashed a turbo cal to a tbi SMEC logic board, but run a turbo SMEC power board? Also, has anyone used a V6 SMEC for a turbo cal?

  2. #2
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: SMEC tbi to turbo

    I've never heard of the former, but people on the board are currently working on using the V6 SBECs for 4cyl turbo applications.
    Last edited by cordes; 11-29-2019 at 04:14 PM.

  3. #3
    Supporting Member II Turbo Mopar Contributor
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    Re: SMEC tbi to turbo

    Quote Originally Posted by V8sr4u View Post
    Has anyone ever flashed a turbo cal to a tbi SMEC logic board, but run a turbo SMEC power board? Also, has anyone used a V6 SMEC for a turbo cal?
    Could you take a high resolution picture of the TBI SMEC logic board? I can compare it to my Turbo SMEC logic board.
    I tried to convert a TBI LM to a Turbo LM but no luck and the car would not start...
    I would expect the logic boards to be different.
    Regards,
    Miles

    DD '87 Sundance T1, 12PSI, SLH with rear disks
    '87 CSX #432

  4. #4
    Boost, it's what's for dinner... Turbo Mopar Staff Aries_Turbo's Avatar
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    Re: SMEC tbi to turbo

    i know the TBI and turbo LM's are different with the TBI boards missing components. I think i have both laying around still.

    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.

  5. #5
    Boost, it's what's for dinner... Turbo Mopar Staff Aries_Turbo's Avatar
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    Re: SMEC tbi to turbo

    i know the TBI and turbo LM's are different with the TBI boards missing components. I think i have both laying around still.

    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.

  6. #6
    Supporting Member II Turbo Mopar Contributor
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    Re: SMEC tbi to turbo

    Quote Originally Posted by Aries_Turbo View Post
    i know the TBI and turbo LM's are different with the TBI boards missing components. I think i have both laying around still.

    Brian
    Hi Brian,
    I added the missing NPN transistors which appeared to have a similar beta to a 2N2222. A few missing Resistors as well.
    But the OP is looking at the SMEC.
    Regards,
    Miles

    DD '87 Sundance T1, 12PSI, SLH with rear disks
    '87 CSX #432

  7. #7
    Mitsu booster
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    Re: SMEC tbi to turbo

    Currently have an 89_25_T1_ATX board with all the potting removed or close and an 89_25_tbi_ATX board with just the potting around the eprom removed. Both chips have been pulled and currently going back and forth between the un-potted turbo logic board and the basically see through tbi logic board. When I say logic board, I mean the back board of a SMEC. It would be nice to know what's been done to convert LOGIC MODULES (LM) from tbi to turbo and also if anyone knows what has been done with what Rob Lloyd mentioned as the "super LM" using the SMEC processor. Also, currently found that in the bulkhead outputs, tbi shows a shift light indicator. Has anyone implemented the shift light to SMEC or turbonator SMEC codebase? Lastly, it would appear that a tbi and V6 SMEC power board could be used to be make 2 turbo SMEC power boards.

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