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Thread: Hoopty 2.0

  1. #1391
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    running a bit fat?
    1993 Coupe

  2. #1392
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    Quote Originally Posted by MBR View Post
    running a bit fat?
    Somewhat. The scales on the left side of the tables were off. I'm also not running enough timing. One other possibility is my spark dwell may be set up wrong. Going to try them all out tonight and see what happens.
    My name is Collin and I have a problem.

  3. #1393
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    are you making any headway on the tune? I started reading that thread a little bit on the facebook group.
    1993 Coupe

  4. #1394
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    Quote Originally Posted by MBR View Post
    are you making any headway on the tune? I started reading that thread a little bit on the facebook group.
    The more I mess with it, the more I realize I have no idea what I'm doing - I'm making headway but painfully slow, and I hope I don't kill the motor in the process.

    I added some timing and reduced the target AFR in some places and itresponded well, but I'm upset with myself for taking so long to realize that's what the issue is.

    Power steering pump is dead. This is the third pump in 2 years. I'm going back to a manual rack, I've had enough.

    There is fluid everywhere. The rear main is puking oil too. That's not as easy of a fix

    One step forward, two steps back.


    Sent from my iPhone using Tapatalk
    My name is Collin and I have a problem.

  5. #1395
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    Well, I messed with the car most of the weekend and got exactly... nowhere. I sent a flurry of texts back and forth to a buddy in Florida who knows MS well and by yesterday evening, we deducted that the tune isn't the issue, it's something else.


    Here's what I know:
    - It Starts
    - It Idles
    - It cruises
    - it free revs to the moon
    - I can wind it up pretty well in first gear but it breaks up once I hit second and sputters through it under high load conditions
    - the datalogs all look normal - as far as I can tell.
    - the timing/VE/AFR tables are all well within reasonable settings - as far as I can tell.


    The only thing I can't log and have no idea what's happening is fuel pressure. Before I do anything else, I'm going to set my GoPro up on my fender and record the fuel pressure gauge on the regulator while driving. If I can rule out fuel pressure as an issue, I'd like to do that.




    Other issues:
    - The power steering pump blew it's guts out as I mentioned. I removed the pump and put on a 70.5" belt yesterday, so we're done with that mess once and for all. Also cleared up a lot of real estate around the hot parts - less fire hazard.


    - Still puking a lot of oil out at the rear main seal. I'll deal with that later on.


    - I returned my oil pressure gauge a week ago to summit for an exchange. As far as I know, it's still in transit. WTF. So, I've been without oil pressure gauge for a week now. Not tooooo worried about it, but... you never know.




    That's where I'm at now. I'm burned out but too stubborn to quit messing with it. I hope I find something soon.
    My name is Collin and I have a problem.

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  7. #1396
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    You can fix the rear main when you swap it to auto


    Sent from my iPhone using Tapatalk
    2014 GT Premium A6

    Sleeved Block 80MM Billet 3BB Comp turbo Full Suspension tuned by Black Mamba Speed - 138.8mph pedaling on 10psi

  8. #1397
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    Quote Originally Posted by SSPSTANGBANGER View Post
    You can fix the rear main when you swap it to auto


    Sent from my iPhone using Tapatalk


    Might fix it all with a stick of dynamite.
    My name is Collin and I have a problem.

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  10. #1398
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    it will start coming together little by little

    do you still have a MAF in place or did you delete it?
    1993 Coupe

  11. #1399
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    Quote Originally Posted by MBR View Post
    it will start coming together little by little

    do you still have a MAF in place or did you delete it?


    It's long gone.
    My name is Collin and I have a problem.

  12. #1400
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    Quote Originally Posted by hoopty5.0 View Post
    It's long gone.
    I could be totally wrong but I thought I read somewhere that the 93 cars got a voltage signal from the MAF that regulated something with the fuel pump?
    1993 Coupe

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