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Thread: ZHP NA Project - More Power

  1. #161
    Here's a rolling race after the engine rebuilt. I raced a E34 3.0 Stroker, high compression engine, 4.0 TB, Ebay headers, tuned 7200 rpm, weight reduction (no rear bumper, no rear seats), 3.23 diff, S52 cams

    https://youtu.be/YV71DYylBsU
    https://youtu.be/nId-UdcOD6k

    Next i will visit the dyno to check out the AFR,HP and Torque curves.
    ZHP 2004 6M/T Silver Grey - BBS RGR R18 8.5 ET38 RG734H & 9J ET45 RG762H Forged - Gruppe M Air Intake - Supersprint Replica Headers - N52 TB - Ported Head - MS43 ECU - 7000RPM - Local Tune Flashed - Tein Street Advance Z Coilovers


  2. #162
    Join Date
    Nov 2016
    Location
    Charlotte, NC
    Posts
    2,603
    Lol I love that you get your baseline comparisons via Georgian highway drag racing and then do dyno checks just to see. Really provides a different look at modifications and makes sense as to why the taller differential (that all of us love for low speed driving) didn't do anything for you.

  3. #163
    Quote Originally Posted by ZHPizza View Post
    Lol I love that you get your baseline comparisons via Georgian highway drag racing and then do dyno checks just to see. Really provides a different look at modifications and makes sense as to why the taller differential (that all of us love for low speed driving) didn't do anything for you.
    Thanks for the support and positive feedback
    ZHP 2004 6M/T Silver Grey - BBS RGR R18 8.5 ET38 RG734H & 9J ET45 RG762H Forged - Gruppe M Air Intake - Supersprint Replica Headers - N52 TB - Ported Head - MS43 ECU - 7000RPM - Local Tune Flashed - Tein Street Advance Z Coilovers


  4. #164
    ===============UPDATE==================

    I ran againt a Skyline 3.5 A/T 232WHP, before i had done head gasket job it was a draw or sometimes i would outrun him by a bit. With the new rebuilt engine the Skyline beat me hard, the difference was about 3-4 car in between him and me I had my friend follow us and he noticed smoke coming from my exhaust when shifted or hit high rpm, then i checked when i stopped the car hit the limiter at 7000 rpm and black smokes came. My AFR is 100% rich, I though i had leaks in my vacuum system i ran a leak tests but it is fine, i also checked the fuel rack pressure it is 3.8 bars which is the same as it used to be. I know everyone reports 3.5 bars but my fuel pump isn't oem and pulls much more pressure that should be the reason for being higher then the oem. I also ran diagnostics BMW Scanner, INPA, Rheingold but the isn't a problem or error. So the only option is to check my AFR and run some tests with the logger attached to the exhaust which i am planning on doing the next weekend at a local tuner where i tuned my car, George Gelashvili @ https://www.facebook.com/GelashviliPerformance/

    First we will check the logs and then retune it, i will post the results.
    ZHP 2004 6M/T Silver Grey - BBS RGR R18 8.5 ET38 RG734H & 9J ET45 RG762H Forged - Gruppe M Air Intake - Supersprint Replica Headers - N52 TB - Ported Head - MS43 ECU - 7000RPM - Local Tune Flashed - Tein Street Advance Z Coilovers


  5. #165
    ==============UPDATE==============

    I was at the local tuner George Gelashvili yesterday, we attached a wideband AFR reader and observed the car stats via Romraider, it turns out my car runs on 91 map :| Now the reason George explained was that when i had CO the internal combustion compression was lower thus it allowed him to raise the ignition, when i solved the problem and compression rose, the high ignition resulted in detonation and ECU switched from 98 map to 91 for engine precaution, thus i couldn't benefit from 98 fuel and my ignition maps were low and had fewer HP. George decreased the ignition by 1.5 degree at the 98 map and the car started running on 98 map. He made some changes on the VANOS maps too according to the ignition and everything ran fine. The AFR before he did anything was fine steady 13 (AFR). Yesterday i ran with some cars to check the results.

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    https://www.youtube.com/watch?v=969v5Y9cfYA
    https://www.youtube.com/watch?v=m458zfqA_Vc
    https://www.youtube.com/watch?v=h-nQWj7mURA
    https://www.youtube.com/watch?v=Emt09g-bQjI

    Before i had done the head gasket job the 328 used to overtake me now it's draw So the retune worked. I am planning on dynoing the car for the results and i will let you know.
    ZHP 2004 6M/T Silver Grey - BBS RGR R18 8.5 ET38 RG734H & 9J ET45 RG762H Forged - Gruppe M Air Intake - Supersprint Replica Headers - N52 TB - Ported Head - MS43 ECU - 7000RPM - Local Tune Flashed - Tein Street Advance Z Coilovers


  6. #166
    Join Date
    Apr 2018
    Location
    Waco, TX
    Posts
    89
    Tackling this soon. I'll be installing my TS3 engine into my ZHP and converting to MS43. I have all the required harnesses so I won't be re-pinning the MS45.1 coil pack harness.

    A couple of things I'm still not clear about***********:

    1.) Is there any re-pinning of X60004 required? This should be the BODY HARNESS, if I'm not mistaken. I will plug this harness directly from my ZHP chassis, into the MS43 DME.
    2.) I'm very nervous about tuning or coding the DME to my car. Do I have to write my VIN to the MS43 in order for it to start and run? I don't want to lose my TS3 tune. It already has EWS delete.

    I'm sure there will be more questions but that's where I'm at right now. Thanks for any feedback. I'm looking forward to my TS3 ZHP.

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