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Mustang dyno sheet

Discussion in '348/355' started by F355Bob, Feb 26, 2019.

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  1. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #1 F355Bob, Feb 26, 2019
    This is the dyno sheet from a few weeks ago. We stopped at 7800 because does not have many miles since its rebuild so I think it have maybe a few more HP to be gained at 8250. Image Unavailable, Please Login
     
    ShineKen, ernie, Tifosi Dude and 2 others like this.
  2. kenneyd

    kenneyd Formula 3

    Sep 30, 2014
    2,027
    NE FL
    Full Name:
    Ken
    #2 kenneyd, Feb 26, 2019
    Very healthy. Did you say there was a video?
     
  3. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #3 F355Bob, Feb 26, 2019
    They said they would take one. Will find out. The guy who did the dyno was not in the shop today.
     
  4. chrisj951

    chrisj951 Karting

    Feb 18, 2015
    204
    Metro Atlanta
    #4 chrisj951, Feb 26, 2019
    Any mods to the car?
     
  5. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #5 F355Bob, Feb 26, 2019
    Ported heads and intake, GruppeM intake, custom 4-2-1 headers, Goth exhaust and exhaust valve, Hyperflow cats, complete blueprinted engine with slightly bigger pistons.
    Piggy back computers to change fuel and ignition timing. Cams advanced and ignition advanced, fuel trimmed below 5000rpm.
     
    ernie, Tifosi Dude and Mbutner like this.
  6. INTMD8

    INTMD8 F1 Veteran
    Owner Silver Subscribed

    Jun 10, 2007
    6,794
    Lake Villa IL
    #6 INTMD8, Feb 26, 2019
    I would have ran it to the limiter :)
     
    ernie and MAD828 like this.
  7. QSA

    QSA Formula Junior

    Jun 3, 2011
    302
    Kingwood, TX
    Full Name:
    Quinn
    #7 QSA, Feb 26, 2019
    What EMS are you using? You mention plural; are you using more than one?
     
  8. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #8 F355Bob, Feb 26, 2019
    Unichip Q. It is a 95 so has two computers
     
  9. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #9 F355Bob, Feb 26, 2019
    Just spent $45,000 on that engine and parts. Playing it safe until it gets more miles. Happy with
    the numbers and knowing it has maybe a little more.
     
  10. taz355

    taz355 F1 Veteran
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    Feb 18, 2008
    6,016
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    Grant
    #10 taz355, Feb 26, 2019
    So basically stock then?
    Like if someone asked I mean?

    I read this thread as someone dynoing a Ford Mustang ha ha
    Im like hey not much more power than our cars!!
     
  11. taz355

    taz355 F1 Veteran
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    Feb 18, 2008
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    Grant
    #11 taz355, Feb 26, 2019
    No
    You would have ran it 1 rpm past somehow
     
  12. INTMD8

    INTMD8 F1 Veteran
    Owner Silver Subscribed

    Jun 10, 2007
    6,794
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    #12 INTMD8, Feb 26, 2019
    You mentioned that, just don’t think miles matter, especially if it already saw wide open throttle and 7800rpm.

    I tune fresh engines almost every day and they see max load/rpm after just a few heat cycles.

    Just my opinion! But yes seems like it was still climbing (as it should)
     
  13. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #13 F355Bob, Feb 26, 2019
    ShineKen likes this.
  14. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #14 F355Bob, Feb 26, 2019
    When they dyno a car you sign a waiver. They are not responsible for anything that happens to your car on the dyno. Been through engine rebuild with this car once before, never want to do it again and the reason for the dyno was to check AFR at different rpm to see if the computers needed any tuning.
     
  15. INTMD8

    INTMD8 F1 Veteran
    Owner Silver Subscribed

    Jun 10, 2007
    6,794
    Lake Villa IL
    #15 INTMD8, Feb 27, 2019
    Right, I just don't see how cutting it a few hundred rpm from peak hp is going easy on it or saving anything? Just a difference in opinion I suppose, not trying to convince you otherwise.

    Glad you have it sorted out :)
     
  16. kenneyd

    kenneyd Formula 3

    Sep 30, 2014
    2,027
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    Ken
    #16 kenneyd, Feb 27, 2019
    I guess I can see why you wouldn't want to commit to 8750 rpm if your not sure if the a/f ratio and timing are spot on yet. Run a little lean or too advance and your could learn a very expensive mistake.

    They did a similar thing when tuning my CTS-V. I was running ~15psi and so they made a few baseline runs to see if it was close before it saw WOT at redline. Once they were confident it was getting enough fuel, then the ran the hell out of it. that was a scary car
     
  17. INTMD8

    INTMD8 F1 Veteran
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    Jun 10, 2007
    6,794
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    #17 INTMD8, Feb 27, 2019
    I think his setup only has fuel control. You watch the wideband while making a run on the dyno so if it starts trailing lean you lift. But yes, common to work up to it.
     
  18. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #18 F355Bob, Feb 27, 2019
    Ignition timing can be changed. In my case they adva
     
  19. QSA

    QSA Formula Junior

    Jun 3, 2011
    302
    Kingwood, TX
    Full Name:
    Quinn
    #19 QSA, Feb 28, 2019
    Very cool.

    What types of engine management did you consider before deciding on a dual Unichp ?
     
  20. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #20 F355Bob, Feb 28, 2019
    I was not the one who decided which one to use. The installer was familiar with the computer and its tuning. Its simple and can use the stock sensors. If money was no object I would go Motec.
     
  21. tres55

    tres55 F1 Rookie
    Rossa Subscribed

    Sep 18, 2012
    3,572
    Canada
    #21 tres55, Mar 1, 2019
    I'm surprised you didn't go with a Toda stroker kit? :)
     
  22. ernie

    ernie Two Time F1 World Champ
    Lifetime Rossa Owner

    Nov 19, 2001
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    #22 ernie, Mar 3, 2019
    Probably because Toda wants $12,500 just for the crank.
     
  23. ernie

    ernie Two Time F1 World Champ
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    #23 ernie, Mar 3, 2019
    Nice numbers Bob.
     
  24. ShineKen

    ShineKen F1 World Champ
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    #24 ShineKen, Mar 3, 2019
    Are you going to mod the Gruppe M intake ?
     
  25. F355Bob

    F355Bob Formula 3

    Nov 4, 2003
    2,001
    Madison, Wisconsin
    #25 F355Bob, Mar 3, 2019

    I think so If I can find a velocity stack that fits. I am going to look into the air filters with the built in velocity stack that you posted previously when I get the car out in spring. The high end did not seem to suffer on the dyno with the current setup. Atul who posted the modified Gruppe M used a Dynapak dyno which reads higher than a Mustang. I think I am close to what he was seeing, so hard to tell if I am losing much top end.
     

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