Stock Turbo BPU++ HP record

Discussion in 'B58 6-Cyl Engine, Exhaust, Drivetrain, Bolt-Ons' started by anajri, Oct 10, 2019.

  1. anajri

    anajri Well-Known Member

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    #1 Oct 10, 2019
    Last edited: Nov 15, 2019
    hello, everyone

    Thought I would start this thread, since I believe it existed in the Supraforums (mk4edition)
    and have not found to many stock turbo dynos past the 500 whp. mark.

    so today, I Tuned my supra LE ( dynoJet) in the Caribbean ( really hot today) @ 12 noon

    please share your thoughts and dynos and get this stock turbo info going.

    Mods.
    1) induction performance Downpipe
    2) stock muffler after downpipe
    3) boostmod3 (Custom tune)
    5) JB4
    4) vp x85 (E77)
    6) WMI installed

    OTS maps where
    93oct 434whp
    E30 456 whp

    here are some pics...

    observations:
    peak boost was 20psi but falling to 18psi @ 6,000 rpm to redline. we will recheck for boost leak and re-dyno soon to see if we can maintain 21-22 psi to redlilne maybe see 10-15 more..... hopefully.

    Tq is crazy and will spin the stock tires in 3rd gear.......
    500 whp.JPG E77 surpa.JPG

    updates
    fixed a few things added a charge pipe, which helped hold more boot to 22 lbs min
    and here are the final numbers
    525whp qith 680tq
    tq ended up being too much so ended up wtih about 595 tq






    AD67F158-A654-431C-814E-BC4EE426DFBF.JPG


    red graf was 4th -5th-6th gear pulls to see how the tq limiters would reacts..
     
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  2. LS3Twins

    LS3Twins Well-Known Member

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    On E85 did the HPFP or LPFP have any issues? Did you do any pulls without the meth on just E85?
     
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  3. OP
    OP
    anajri

    anajri Well-Known Member

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    whats the HPFP and LPFP?


    all pulls on E85 where done with WMI and twin injectors

    e30 and 93oct pull where without
     
  4. kona61

    kona61 Well-Known Member

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    High pressure and low pressure fuel pumps. The HPFP sits in the head, the LPFP is in the fuel tank.
     
  5. Twisted Tuning

    Twisted Tuning Well-Known Member
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    record is something like 510whp on stock turbo. i made 507whp (had a bit left). before i tossed in the Pure turbo.
     
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  6. OP
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    anajri

    anajri Well-Known Member

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    on th dyno we had no issues with the pump got other codes though

    CD990B
    CD990E
    21B056
    21B055
    11A605

    know what they are.... my teckstream have not arrived so can not tell yet what they are
     
  7. OP
    OP
    anajri

    anajri Well-Known Member

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    good to know are you happy with the decision to go pure turbo?
     
  8. AHP

    AHP Well-Known Member

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    This might help in the interim: http://bmwfault.codes/ i.e., for CD990B


    upload_2019-10-11_16-12-9.png
     
  9. OP
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    anajri

    anajri Well-Known Member

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    thanks
     
  10. Twisted Tuning

    Twisted Tuning Well-Known Member
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    yea, just another step to hold us over until we finish our big kit. We were going to do a 6466 kit, but i think we've landed on the Garrett GTX3584RS to base our first kit around. Good for 550-1000hp. So should cover most people.

    Pure turbo upgrade is quick direct bolt on upgrade that is good for 600-700whp. Which will suffice for most people. Fast spool and good power, good on the street and track.
     
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  11. Twisted Tuning

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    CD990B - front axle request missing (dsc)
    CD990E - rear axle request missing (dsc)
    21B056 - radiator lower valve coms fault
    21B055 - radiator upper valve coms fault
    11A605 - fuel delivery too low
     
  12. Twisted Tuning

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    also, do you have a log from the dyno?
     
  13. OP
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    anajri

    anajri Well-Known Member

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    seem to be fuel starvation,,,,,,, fuel was in reserve on the street pulls the car squats and pulls very hard and read someone complaining about fuel starvation on track days.... will fill her up for the weekend and test.... cleared them up and everything back to normal


    tuner has the logs let me see if i can get them
     
  14. OP
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    anajri

    anajri Well-Known Member

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    Update


    it was fuel starvation, used ith during the weekeend with more fuel no more issues
     
  15. Thatguyw_stat

    Thatguyw_stat Well-Known Member

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    How was the starvation issue solved? ITH ?
     

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