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Thread: 1985 T1 AIS motor.

  1. #1
    Authorized Vendor Turbo Mopar Vendor jeff1234's Avatar
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    1985 T1 AIS motor.

    It's been a very long time since I've seen one but I'm wondering if the ais for a log style
    throttle body can be used in a 87 up T1 throttle body. On my engine test stand I'm using the later style intake which uses the four wire stepper style ais and an 1985 T1 LM, so I'm pretty sure idle air isn't being controlled. If the 85 ais will work I can use a different plug with the same wiring convention.
    The only substitute for cubic inches is cubic dollars, how fast can you afford to go?

  2. #2
    turbo addict
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    Re: 1985 T1 AIS motor.

    Simple answer, no, they do not interchange.
    “If the people of the nation understood our banking and monetary system, I believe there would be a revolution before tomorrow morning.” -Henry Ford

  3. #3
    Supporting Member Turbo Mopar Contributor
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    Re: 1985 T1 AIS motor.

    As far as I know all logs to 87 use the DC motor based AIS. 88 and up used the newer pintle style stepper motor AIS. The exception that I am aware of are the 87 TII or Shelby. The 87 LM can control both styles depending on installed tune
    Regards,
    Miles

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

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    Authorized Vendor Turbo Mopar Vendor jeff1234's Avatar
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    Re: 1985 T1 AIS motor.

    Quote Originally Posted by 86Shelby View Post
    Simple answer, no, they do not interchange.
    As I suspected, thanks 86Shelby.
    The only substitute for cubic inches is cubic dollars, how fast can you afford to go?

  5. #5
    Authorized Vendor Turbo Mopar Vendor jeff1234's Avatar
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    Re: 1985 T1 AIS motor.

    Miles, I knew about the motor difference and was hoping the "85" would be a bolt in. I've got an "87" TII LM but I've been trying to avoid using it because of the possibility it could be damaged. The 2.2 on the stand runs fine but shows some rich mixture on tipping in the throttle. It will likely be ok for the purpose of breaking in fresh rebuilt engine pre-install.
    There is a picture of the partially completed stand in my members gallery. I've given up trying to post more pic's.
    The only substitute for cubic inches is cubic dollars, how fast can you afford to go?

  6. #6
    Supporting Member Turbo Mopar Contributor
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    Re: 1985 T1 AIS motor.

    Quote Originally Posted by jeff1234 View Post
    I've got an "87" TII LM but I've been trying to avoid using it because of the possibility it could be damaged.
    Any 87 T1 can be chipped to a TII
    Regards,
    Miles

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

  7. #7
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: 1985 T1 AIS motor.

    Attachment 66371

    - - - Updated - - -



    - - - Updated - - -

    That looks great Jeff. Very cool.

  8. #8
    Supporting Member Turbo Mopar Contributor
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    Re: 1985 T1 AIS motor.

    Jeff, I would like to have a test engine for testing ECUs etc. What do you use the test engine for, if I may ask?
    Regards,
    Miles

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

  9. #9
    Authorized Vendor Turbo Mopar Vendor jeff1234's Avatar
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    Re: 1985 T1 AIS motor.

    Hello Miles, I built it kinda as a project just to see if I could do it and as a way to start and run in an engine before installing it in a car to verify engine operation, do 20 minutes of break in, and avoid having to go through engine removal to fix leaks or avoid other startup pitfalls. The engine I used is the original 2.2 from my "85" Charger.
    The only substitute for cubic inches is cubic dollars, how fast can you afford to go?

  10. #10
    Supporting Member Turbo Mopar Contributor
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    Re: 1985 T1 AIS motor.

    Quote Originally Posted by jeff1234 View Post
    Hello Miles, I built it kinda as a project just to see if I could do it and as a way to start and run in an engine before installing it in a car to verify engine operation, do 20 minutes of break in, and avoid having to go through engine removal to fix leaks or avoid other startup pitfalls. The engine I used is the original 2.2 from my "85" Charger.
    Very nice work, by the way
    Regards,
    Miles

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

  11. #11
    Boost, it's what's for dinner... Turbo Mopar Staff Aries_Turbo's Avatar
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    Re: 1985 T1 AIS motor.

    Quote Originally Posted by chromguy View Post
    Very nice work, by the way
    i agree! nice job jeff.

    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.

  12. #12
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: 1985 T1 AIS motor.

    That is really cool and very professional looking.

  13. #13
    Supporting Member Turbo Mopar Contributor GLHS60's Avatar
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    Re: 1985 T1 AIS motor.

    The very first 1985 Engine I intercooled I hogged out the later AIS and epoxied the 85 one in it.

    I'm electronically inept so I had to try something simple and it worked out fine!!

    The later ones I didn't hook up the AIS and set the idle speed manually.

    Otherwise, I do good work !!

    Thanks
    Randy


    There is no logical reason to call an Engine a motor.

    Randy Hicks
    86 GLHS60
    86 GLHS 373 : SOLD, but never forgotten
    89 Turbo Minivan
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    Edmonton,Alberta,Canada

  14. #14
    Authorized Vendor Turbo Mopar Vendor jeff1234's Avatar
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    Re: 1985 T1 AIS motor.

    Haha, that's innovative. Actually, based on some of your posts I've thought you would be the one to go to when it comes to changing board components. Methinks you are being humble regarding your electronic ineptness.
    Jeff
    The only substitute for cubic inches is cubic dollars, how fast can you afford to go?

  15. #15
    Supporting Member Turbo Mopar Contributor GLHS60's Avatar
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    Re: 1985 T1 AIS motor.

    Chromguy is the electronics genius!!

    I'm more of the shortcut dumdum.

    Thanks
    Randy


    There is no logical reason to call an Engine a motor.

    Randy Hicks
    86 GLHS60
    86 GLHS 373 : SOLD, but never forgotten
    89 Turbo Minivan
    83 Turbo Rampage : SOLD
    Edmonton,Alberta,Canada

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    Re: 1985 T1 AIS motor.

    Quote Originally Posted by GLHS60 View Post
    Chromguy is the electronics genius!!

    I'm more of the shortcut dumdum.

    Thanks
    Randy
    I disagree with both statements
    Regards,
    Miles

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

  17. #17
    Authorized Vendor Turbo Mopar Vendor jeff1234's Avatar
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    Re: 1985 T1 AIS motor.

    Yupp, my bad. I mixed you and Chromeguy up in my mind. Confusion is a sign of old age. Lol. An update. Yesterday I added a couple of wires to the red and blue plugs. I also added an external 2 bar map which allowed me to use the TII ecm I have. This fixed the rich mixture.
    The only substitute for cubic inches is cubic dollars, how fast can you afford to go?

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