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Thread: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

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    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Question Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    I know how superior the TIII brain is, so would it be worthwhile upgrading the van to a TIII brain and wiring harness, staying stock or will the TIII brain run on a 90 van SBEC harness with some tweaks?
    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

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    Supporting Member Turbo Mopar Contributor iTurbo's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    I plan to do that with my Shelby Lancer. I put in a '91 GTC (SBEC) harness in preparation for the TIII I'm putting in soon. Some connectors will have to be relocated to reach their respective positions on the TIII motor such as the TPS, AIS, and fuel rail connector. The plugs going to your current distributor would have to be relocated to reach the TIII cam/crank sensors which actually use the same plugs. I believe Jackson has actually done this before..
    87 Shelby Lancer #127
    91 Dodge Spirit R/T
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    86 Dodge Omni GLH Turbo

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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Yeah, I was told the HEP connectors plug into the cam and crank sensors with no issues.

    I wasn't sure if the 90 SBEC harness will work with a TIII computer, and I know I'll have to run a wire for the coil pack.

    I just really like the TIII computer, it seems far superior to the 8v counterparts.
    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

  4. #4
    Supporting Member Turbo Mopar Contributor iTurbo's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    It can be done, but what are you going to do about the crank sensor? Aren't you running an auto?
    87 Shelby Lancer #127
    91 Dodge Spirit R/T
    08 Dodge Caliber SRT-4
    86 Dodge Omni GLH Turbo

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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Quote Originally Posted by iTurbo View Post
    It can be done, but what are you going to do about the crank sensor? Aren't you running an auto?
    I could make a crank trigger setup so thats not really a problem.

    My main issue is the TIII computer, it just seems miles ahead. The run better, drive better, get better MPG, the list goes on.

    I will try my TIII SMEC cal and then go from there. Just trying to get some feedback on this so I can search for a 90 van harness. This could be my my winter project or just say f*ck it and go standalone, lol!
    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

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    Hybrid booster Turbo Mopar Contributor Austrian Dodge's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    didn't you say you're going with a microtech?

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    Supporting Member Turbo Mopar Contributor iTurbo's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    I recently bought a crank trigger setup for TIII. If you like I can post some pics of it. BTW, I also have a '90 turbo Caravan harness I could sell you.
    87 Shelby Lancer #127
    91 Dodge Spirit R/T
    08 Dodge Caliber SRT-4
    86 Dodge Omni GLH Turbo

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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Quote Originally Posted by Austrian Dodge View Post
    didn't you say you're going with a microtech?
    I am flip flopping due to the mess of wiring to piggy back and run the stock computer. I feel the TIII computer is what I need for my combo, or a good real TIII cal, that Shelgame is working on for me,

    Quote Originally Posted by iTurbo View Post
    I recently bought a crank trigger setup for TIII. If you like I can post some pics of it. BTW, I also have a '90 turbo Caravan harness I could sell you.

    Ok, we'll talk soon,
    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

  9. #9
    Supporting Member Turbo Mopar Contributor iTurbo's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Yeah, you and I are kinda in the same boat. I also plan to run a 2.5L TIII on a stock TIII SBEC. I wonder how well it will work?? I think Cliff Ramsdell was using a Trimcal from FWDP on his. I don't expect I'll run my SL anywhere near as hard as he did though.

    I'm pretty sure that '90 van harness I have is from an A568 van, but that shouldn't really be a problem for you. Even better if you decide to put an R/T trans in.
    87 Shelby Lancer #127
    91 Dodge Spirit R/T
    08 Dodge Caliber SRT-4
    86 Dodge Omni GLH Turbo

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    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Cliff layed down some serious power using a TIII computer with a trim cal from Cindy.

    Yeah, 90 5 speed van, no biggie, just modify the starter circuit.
    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

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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Simon
    Just get a 90 TI harness for your van. Its too easy to turn it right into a TIII harness from there. You only need to add two wires at the 60 way( charge-temp feed and ignition control#2) Even you can figure this one out

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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Am I right in believing the TIII computer is superior?
    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

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    Hybrid booster Turbo Mopar Contributor Austrian Dodge's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Quote Originally Posted by turbovanman
    I am flip flopping due to the mess of wiring to piggy back and run the stock computer. I feel the TIII computer is what I need for my combo, or a good real TIII cal, that Shelgame is working on for me,
    the wiring is not that bad at all. only things to think about before going crazy is the trigger and ignition setup. the rest is just soldering and routing the harness wisely
    i'll post pictures when my engine bay isn't a mess anymore

    why would you want to use your stock computer when you have a standalone doing all of it?

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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Quote Originally Posted by Austrian Dodge View Post
    the wiring is not that bad at all. only things to think about before going crazy is the trigger and ignition setup. the rest is just soldering and routing the harness wisely
    i'll post pictures when my engine bay isn't a mess anymore

    why would you want to use your stock computer when you have a standalone doing all of it?

    Because I need the stock computer to run the a/c, cruise, tach and a few other things so running a TIII computer would be easier.
    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

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    turbo addict
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Quote Originally Posted by turbovanman View Post
    Because I need the stock computer to run the a/c, cruise, tach and a few other things so running a TIII computer would be easier.
    I can see that a stockish ecu would be better for using the a/c and cruise. You shouldn't need the stock ecu to run the tach though, mine works good w/o

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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Quote Originally Posted by Speedeuphoria View Post
    I can see that a stockish ecu would be better for using the a/c and cruise. You shouldn't need the stock ecu to run the tach though, mine works good w/o

    I haven't seen it work on a TD yet but a Neon conversion with the Microtech, the stock tach doesn't work.
    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

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    Hybrid booster Turbo Mopar Contributor Austrian Dodge's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    gotcha on the cruise, but my haltech can run an A/C

    as for the tach, i haven't hooked it up yet, but there shouldn't be problem.

  18. #18
    Visit www.boostbutton.com... Turbo Mopar Contributor ShelGame's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Quote Originally Posted by turbovanman View Post
    Am I right in believing the TIII computer is superior?
    In many ways, I think so.

    There's 2 parts to it - the code (which could be copied over to the T1 computer) and the DIS (which can't be run on the T1 computer). The real advantage to the code is the 3D tables - much greater flexibility in tuning than is possible with the 2D maps. The DIS advantages? Well, really just not having the mechanical device and the limitations on timing that go with it. I think a T1 computer, running the 3D code would work great...
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Quote Originally Posted by ShelGame View Post
    In many ways, I think so.

    There's 2 parts to it - the code (which could be copied over to the T1 computer) and the DIS (which can't be run on the T1 computer). The real advantage to the code is the 3D tables - much greater flexibility in tuning than is possible with the 2D maps. The DIS advantages? Well, really just not having the mechanical device and the limitations on timing that go with it. I think a T1 computer, running the 3D code would work great...
    Ok, thanks for clearing that up.

    And get cracking, mush, mush,
    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

  20. #20
    Visit www.boostbutton.com... Turbo Mopar Contributor ShelGame's Avatar
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    Re: Should I run a TIII SBEC, stay stock or upgrade to a 90 van SBEC.

    Ha! I wish it was so easy. I'll do it eventually, though. You still want to try a 2D T3 approximation for your SMEC?
    https://db.tt/SV7ONZpQ
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