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ECMlink Not making much power

Posted by doubleclutch, Jun 11, 2018

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  1. doubleclutch

    doubleclutch Supporting Member

    682
    162
    Joined Jun 26, 2009
    Canton, Michigan
    1). Any boost, vac, or exhaust leaks?
    No

    2). Verified mechanical timing? Yes

    3). Verified base timing? Yes

    4). Ignition system
    Stock
    2 years
    bpr7es

    5). Motor health (Compression Test)
    Cylinder 1:
    Cylinder 2:
    Cylinder 3:
    Cylinder 4:

    6). Performed basic throttle body adjustments?
    Idle Switch: Yes
    Throttle Cable: Yes
    TPS: Yes
    BISS: Yes

    7). Compression ratio Stock

    8). Any known bad sensors or brittle wiring? No

    9). Any DTC/CEL codes? No

    10). Electrical system
    Car off (not running):
    Car running:

    11). Base fuel pressure and injector values
    Base Fuel Pressure: 42.6
    Injector Size (cc/min): 780cc

    12). Properly calibrated and configured wideband sensor
    Sensor Brand: Lc-2
    Calibration Date: 3/17

    13). Type of fuel
    Type: 93
    Percent of Ethanol: 10%

    14). Watched ECMlink how-to videos?
    yes

    Car is down on power according to ECMlink. Last year I had ECM link up to around 300 HP. Haven't changed much at all.

    Log is attached.
     

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    Attached Files:

    My DSM:
    1998 Mitsubishi Eclipse GSX

    Street Build

    14.945 @ 93.64 MPH
    1996 Mitsubishi Eclipse GST (sold)

    T25   manual
    Loading...
  2. doubleclutch

    doubleclutch Supporting Member

    682
    162
    Joined Jun 26, 2009
    Canton, Michigan
    I guess my question really is, How do I get HPbyAir closer to 10:1? I am maxing out around 7.5.
     
    My DSM:
    1998 Mitsubishi Eclipse GSX

    Street Build

    14.945 @ 93.64 MPH
    1996 Mitsubishi Eclipse GST (sold)

    T25   manual
    Loading...
  3. tk106

    tk106 Proven Member

    621
    68
    Joined Sep 11, 2017
    Cincinnati, Ohio
    You're hitting 21psi at 4800 and only 14psi by 7k. It's running lean too. Once those are corrected, I'd start adding timing.
     
    My DSM:
    1992 Eagle Talon TSi AWD

    Street Build

    16g   manual
    Loading...
  4. doubleclutch

    doubleclutch Supporting Member

    682
    162
    Joined Jun 26, 2009
    Canton, Michigan
    target AFR is just shy of 11. Isn't that spot on?

    How much timing are you guys ending up with on pump gas? 15-20? Just trying to figure out how far off i am.

    Why would i need to increase duty cycle of the wastegate actuator with RPM to keep the same boost pressure? maybe to close the wastegate tighter to help with the extra flow needed at high rpm?
     
    My DSM:
    1998 Mitsubishi Eclipse GSX

    Street Build

    14.945 @ 93.64 MPH
    1996 Mitsubishi Eclipse GST (sold)

    T25   manual
    Loading...
  5. tk106

    tk106 Proven Member

    621
    68
    Joined Sep 11, 2017
    Cincinnati, Ohio
    When I was looking at your log earlier, I couldn’t see your Wb so I was going off wbfactor which was mostly +1-3%. Not terrible but can use a little fine tuning.

    I was at 15 degrees at 21psi but was getting a little knock so now I’m at 14 here’s with zero knock. I’ll post a my log tomorrow
     
    My DSM:
    1992 Eagle Talon TSi AWD

    Street Build

    16g   manual
    Loading...
  6. tk106

    tk106 Proven Member

    621
    68
    Joined Sep 11, 2017
    Cincinnati, Ohio
    Here’s=degrees
     
    My DSM:
    1992 Eagle Talon TSi AWD

    Street Build

    16g   manual
    Loading...
  7. tk106

    tk106 Proven Member

    621
    68
    Joined Sep 11, 2017
    Cincinnati, Ohio
    Not sure why your boost drops off so much. I did notice you’re using link for boost control but I don’t have experience with it. Researched it a while back but it’s all blurry now.
     
    My DSM:
    1992 Eagle Talon TSi AWD

    Street Build

    16g   manual
    Loading...
  8. tk106

    tk106 Proven Member

    621
    68
    Joined Sep 11, 2017
    Cincinnati, Ohio
    Just reread it. Did you dial in wgdc?
     
    My DSM:
    1992 Eagle Talon TSi AWD

    Street Build

    16g   manual
    Loading...
  9. tk106

    tk106 Proven Member

    621
    68
    Joined Sep 11, 2017
    Cincinnati, Ohio
    Your openloopmaxoct table is targeting 10.7-10.8 which explains wbfactor numbers. We have similar set up so maybe you can use my timing table???
     

    Attached Files:

    My DSM:
    1992 Eagle Talon TSi AWD

    Street Build

    16g   manual
    Loading...
  10. doubleclutch

    doubleclutch Supporting Member

    682
    162
    Joined Jun 26, 2009
    Canton, Michigan
    I will try to work my way to what you have. You seem to be getting decent numbers.

    I am working on dialing in the WGDC. I have gotten it to hold now till redline. Hard to find a place for a long 3rd gear pull.
     
    My DSM:
    1998 Mitsubishi Eclipse GSX

    Street Build

    14.945 @ 93.64 MPH
    1996 Mitsubishi Eclipse GST (sold)

    T25   manual
    Loading...
  11. tk106

    tk106 Proven Member

    621
    68
    Joined Sep 11, 2017
    Cincinnati, Ohio
    That's good! I hear yah on limited roads to do WOT 3rd gear pull. Guess all the Wisemen are on spring break. haha
     
    My DSM:
    1992 Eagle Talon TSi AWD

    Street Build

    16g   manual
    Loading...

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