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Thread: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

  1. #61
    Garrett booster
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    Quote Originally Posted by Dan H View Post
    Nice work! I had to read back to make sure you had an intercooler.

    So you're using the computer controlled boost and you are pretty sure it has FWD Performance computer? It can make sense that you're seeing different numbers because the two different turbos/wastegates would ideally use different Wastegate Duty Cycle values. There are WG adaptives that would try to get the boost in line with whatever the programmed goal is, but they can only do so much.

    How much do you want to run? Remember, you can always put a full signal to your WG actuator to get minimum boost while you try to sort things out. Then a quick manual boost controller in that line to start raising your boost.

    Suggestions if you really want to use computer controlled boost- if FWD-P computer you could contact Cindy for Cal options, seek out any other provider of calibrations, or start working on tuning it yourself. Seems that most don't want the "hassle" of working with the computer controlled boost, but it does work well when it is set up.
    I gotcha that makes sense! I'll have to reach out to Cindy then.

    Ideally the car would stay between 20# and 25# (which it's basically doing now) From my understanding, 25# would be the limit on 93, correct?

    I also wonder if the computer is causing other issues...right now she seems to "run out of breathe" at 3700rpm while still being at 20# of boost and 11.5 air/fuel. I figured it was because I was still running the stock airbox. But could the computer we pulling timing or something weird because it wasn't calibrated for the Garrett II?



    PS: The Turbo-Dodge lingo is still a little new for me lol. What do you mean when you say, "put a full signal of your Wastegate"? Do you just mean unplug the vacuum?

  2. #62
    Slugmobile & MeanMini Caretaker Turbo Mopar Contributor wheming's Avatar
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    Attach a hose to the wastegate from a boost source after the turbo outlet, and before the throttle body.
    Sometimes there's a hose Barb on the discharge of the turbo. Going from there directly to wastegate actuator makes pretty much your minimum boost.

    Sent from my ONEPLUS A6000 using Tapatalk
    Wayne H.

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  3. #63
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    ah thanks wayne. i may have to do that.


    I just got off the phone with Cindy who is super awesome! She mentioned that I have a couple of problems:

    1. I need an air temp sensor since I added the intercooler. Seems simple. I just need to get the sensor and add a pin to the SMEC.
    2. My injectors are WAAAAAYYYYYY too big
    ***and the main issue...
    3. The FWD calibration is COMPLETELY off for my current setup (which explains my problems under boost)


    She was out of town so I couldn't really tell her my goals, but I will have a longer convo with her on Tuesday to figure out if there is anything they can do.

    But either way, it sounds like a need a custom calibration (I knew that going in). It would be easier to figure out if I was playing with a stock SMEC But Cindy seems cool.


    If anyone has some Mopar +40s and want to trade, let me know :-)

  4. #64
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    You don't need to use smaller injectors. I've seen guys idling with huge injectors on an LM and one would never know. Many don't use the charge temp sensor. You do need a cal that's right for what you have though.

  5. #65
    Supporting Member Turbo Mopar Contributor GLHS60's Avatar
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    Harry placed the IAT sensor in his intercooler pipe.

    Thanks
    Randy

    http://www.turbo-mopar.com/forums/sh...-8-valve/page2


    Quote Originally Posted by Fenderbass View Post
    ah thanks wayne. i may have to do that.


    I just got off the phone with Cindy who is super awesome! She mentioned that I have a couple of problems:

    1. I need an air temp sensor since I added the intercooler. Seems simple. I just need to get the sensor and add a pin to the SMEC.
    2. My injectors are WAAAAAYYYYYY too big
    ***and the main issue...
    3. The FWD calibration is COMPLETELY off for my current setup (which explains my problems under boost)


    She was out of town so I couldn't really tell her my goals, but I will have a longer convo with her on Tuesday to figure out if there is anything they can do.

    But either way, it sounds like a need a custom calibration (I knew that going in). It would be easier to figure out if I was playing with a stock SMEC But Cindy seems cool.


    If anyone has some Mopar +40s and want to trade, let me know :-)


    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

  6. #66
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    Quote Originally Posted by cordes View Post
    You don't need to use smaller injectors. I've seen guys idling with huge injectors on an LM and one would never know. Many don't use the charge temp sensor. You do need a cal that's right for what you have though.
    oh good that makes me feel better. I have had zero drivability issues (at least when it comes to fuel).

    but ya something funky is going on with the calibration. Just doesnít want to accelerate past 3700rpm. But man! The car digs out of the hole!!!


    thanks for the link, randy. Iíll do just that!

  7. #67
    Supporting Member II Turbo Mopar Contributor
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    Quote Originally Posted by Fenderbass View Post
    but ya something funky is going on with the calibration. Just doesnít want to accelerate past 3700rpm. But man! The car digs out of the hole!!!
    I'm not sure if it's been covered yet but have you already verifyed your cam timing?

    Have you started logging? I wouldn't be going outside without trying to know everything that is going on. Even in the old days I kept an OTC 4000 mounted on my dash.

  8. #68
    Supporting Member Turbo Mopar Contributor GLHS60's Avatar
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    Good point.

    Advanced cam timing increases low end and falls flat by or before 4,000 RPM.

    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

  9. #69
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    Quote Originally Posted by Dan H View Post
    I'm not sure if it's been covered yet but have you already verifyed your cam timing?

    Have you started logging? I wouldn't be going outside without trying to know everything that is going on. Even in the old days I kept an OTC 4000 mounted on my dash.
    Ya Iíll be logging soon. Itís been super tough tracking down a SCI cable. I *might* have one shipped this week if the cable works (Wayne is verifying).

    And very good thought about timing. Iíll try to verify where itís at tomorrow.

  10. #70
    Supporting Member II Turbo Mopar Contributor
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    If Wayne's doesn't work out I can get one together for you.

  11. #71
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    Hey guys. So my electric windows stopped going going up and down. I can hear the motor turning, but nothing is moving. Windows are still on the track, and I'm able to push the glass up or down. Is this a common issue? Easy fix?

    Last time this happened to me on a VW Jetta, the plastic gear was stripped.

  12. #72
    Supporting Member II Turbo Mopar Contributor
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    Yes, common and easy. You can look up *power window motor gear* under interior on RockAuto. Might find them in Stock somewhere with the numbers.

  13. #73
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    Re: 1989 Dodge Spirit 2.5L Turbo Upgrades :-)

    thanks, dan. Just wanted to confirm before I ordered :-)

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