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Thread: TIII cruise control questions

  1. #1
    Hybrid booster
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    TIII cruise control questions

    i want to re-do the vacuum lines on my Spirit R/T with a vacuum distribution block like i did with my old TII GTS. how would i get the cruise control to work? should i retain the "triangle of death" thing or is there another way to keep the cruise operating when the manifold sees boost pressure? i'm pretty unfamiliar with the TIII cruise control setup...

    TIA

    --------------------------
    Joshua Mitchell
    '91 Dodge Spirit R/T
    '98 Buick Regal GS

  2. #2
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanman²'s Avatar
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    Re: TIII cruise control questions

    Mines just hooked up to Manifold vacuum and don't forget installing the one way check valve, otherwise you'll blow the servo motor under boost.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
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  3. #3
    Hybrid booster
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    Re: TIII cruise control questions

    so by doing it this way the car will still accelerate w/cruise control on when in boost (like climbing hills)? just want to make sure it doesn't need a vacuum source at all times to operate correctly.

    thanks Simon.

    ----------------------------
    Joshua Mitchell
    '91 Dodge Spirit R/T
    '98 Buick Regal GS

  4. #4
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanman²'s Avatar
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    Re: TIII cruise control questions

    Quote Originally Posted by TurboSedan View Post
    so by doing it this way the car will still accelerate w/cruise control on when in boost (like climbing hills)? just want to make sure it doesn't need a vacuum source at all times to operate correctly.

    thanks Simon.

    ----------------------------
    Joshua Mitchell
    '91 Dodge Spirit R/T
    '98 Buick Regal GS
    Mine worked fine until the wiring melted for some reason,
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  5. #5
    turbo addict
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    Re: TIII cruise control questions

    I'm going to try out a vacuum resivour(sp?) to help keep enough vacuum applied to the servo for those long uphill climbs. Just need to finalize a few things to find the placement.
    “If the people of the nation understood our banking and monetary system, I believe there would be a revolution before tomorrow morning.” -Henry Ford

  6. #6
    Hybrid booster
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    Re: TIII cruise control questions

    Quote Originally Posted by 86Shelby View Post
    I'm going to try out a vacuum resivour(sp?) to help keep enough vacuum applied to the servo for those long uphill climbs. Just need to finalize a few things to find the placement.
    that is how the CC operated on my Turbo '91 Cutlass Supreme; the car had a vacuum ball reservoir under the driver's side fender.

    thanks for the replies!

    -------------------------------
    Joshua Mitchell
    '91 Dodge Spirit R/T
    '98 Buick Regal GS

  7. #7
    boostaholic
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    Re: TIII cruise control questions

    If you cant get this figured out get my # from your brother and I can walk you through how I do the vacuum lines on my R/Ts

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