2020 Supra SMS / JB4 results

Discussion in 'B58 6-Cyl Engine, Exhaust, Drivetrain, Bolt-Ons' started by luchocampusano, Dec 3, 2019.

  1. Extreme Power House

    Extreme Power House Well-Known Member
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    What Twisted tuning mentioned + ability to control boost by gear for better traction control, control boost by RPM for a smoother power delivery, datalogging, read and delete codes, bluetooth connectivity to change settings and maps on the fly within seconds
     
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  2. Twisted Tuning

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    Since he asked benefits i didn't mention what you did, as they aren't really benefits since the Factory ECU can do them. other than the changing boost settings in a couple seconds.

    - Factory ECU has Boost by gear. Actually better yet, torque by gear
    - Datalogging is super slow on JB4 compared to actually logging the ECU
    - Read and Delete codes with flash tool (MHD, Ecutek, BM3)
    - Wifi direct to ECU with MHD, bluetooth with Ecutek and BM3
    - Map changes in 7sec on factory ECU with MHD Wifi
     
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  3. OP
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    luchocampusano

    luchocampusano Well-Known Member

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    I had actual world record on N55 engine 1/4 mile using bef and jb4 ...
    A lot of tuners claims jb4 is a piggyback and is not need it for obtain results. From my experience running a goof bef and jb4 brings the best of two worlds. Just need to know how to do it correctly.
     
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    luchocampusano

    luchocampusano Well-Known Member

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    While it's possible to tune an B58 without a JB4 doing so comes with many disadvantages.

    1) The JB4 includes more robust safety systems than are possible via flash only. Starting with fundamental safety systems like reverting to a safety map if boost exceeds your safety setting, if the air/fuel ratio in either bank turns dangerously lean, or if fuel pressure drops below a safe level. While you might think the DME alone can handle these basic safety systems surprisingly it's not the case. The DME will happily let you run along at full power and a 18:1 AFR, with boost pegged if a WG line drops off, and the only fuel pressure safety provided is when fuel pressure drops down so low fuel injection itself has to be suspended. In addition to these basic safety systems the JB4 offers layered advanced safety systems. Port injection and WMI add extra failure points and the JB4 control provides advanced safety systems for them as well.

    2) The JB4 boost control system is programmed as absolute meaning you'll always target a specific boost level. Unlike the DME which naturally implements a LOAD control system where boost levels go down when it's cold and go up when its warm. The opposite of what you generally want for turbocharged performance. In addition the JB4 is quick and easily adaptable to a wide range of setups eliminating the need for expensive custom boost tuning and the risks that come with repeated logs on systems that are not yet setup. It's not uncommon for engine damage to occur while a new setup is initially being dialed in. The JB4 automatically tunes wastegate dutycycle, fuel trims, and other important tuning criteria full time in the background greatly simplifying the tuning process. In addition the JB4 auto-tuning map can self tune for various ethanol mixtures without the need of an expensive and difficult to install flex fuel sensor. Pedal to boost mapping, spool aggression, boost by gear, and other critical factors can be easily adjusted in dash on the fly to suit the needs for the particular track or racing situation.

    3) On the fly changes. Whether it's changing the boost/power level, boost by gear setting (including being able to disable it on the fly for burn outs or if traction turns out to be better than expected), pedal input, 2STEP RPM, or what gauges are shown in dash, the JB4 allows a wide range of user adjustment real time from the drivers seat without having to use a 3rd party device or risk programming the DME between runs. You're able to make the changes while out on the track where you need to make them.

    4) The JB4 allows for much better real time feedback to the driver. User adjustable in dash gauges allow you to keep a constant eye on boost, timing, knock, meth flow, and/or AFR, all selectable and changeable on the fly from the drivers seat. In addition you can select map0 on the fly to allow OBDII port logging and diagnostics when needed for vehicle service. The JB4 default logging set includes all relevant data required for tuning including boost, timing cylinders 1-6, AFR and fuel trims in both banks, high and low fuel pressure, load, calculated torque, trans temperature, and many other parameters. The JB4 provides a simple to use but incredibly robust data logging system eliminating the need to select what parameters to record before each run and providing instant on the fly charting without the need of 3rd party internet programs. We routinely add parameters to the JB4 logging set based on customer feedback and evolving tuning requirements. The JB4 samples boost and analog sensors 250 times per second and CANbus specific data like air, fuel ratio, fuel trims, and timing advance 10 times per second.

    5) Integrated JB4 features such as no lift shift, 2step, anti-lag, port injection control, flex fuel sensor, and progressive water/meth (WMI) control eliminate the need for independent add on boxes that are more difficult to install and technically unable to communicate with each other. Integration allows these extra features to share information for a smooth and cohesive tuning solution.

    6) I've seen dozens of times cars leave them with 700whp on top of the dyno and do nothing in the real world or let them run well in ambient conditions and a road, but then they behave differently on another track.

    7) I always recommend using JB4 to all my clients and so they save having to pay $ 600- $ 800 for each type of fuel, for a Custom Tune that I am still waiting for the results.
     
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  5. Twisted Tuning

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    i'll respond to this later when i have time type because a lot of this post isnt exactly accurate. But for now, i'll say to each their own.


     
  6. Extreme Power House

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    He did not mention any of these tunes, if he had the flash tune done locally. Everything you mentioned will require a tuner and extra money of course. With the Jb4 its free. I was not comparing jb4 to bm3, i was comparing JB4 to standard flash tune

    Customer will not know the optimal boost by RPM/gear until he actually drives the car. And it could change based on weather and various conditions. With Jb4 it takes seconds an no tuner experience. with a standard flash tune, he needs to pay a tuner to keep on changing and its not cheap
     
  7. Gearbangin

    Gearbangin Well-Known Member

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    How are you tying in the meth injection to the JB4? What meth kit you using? Burger hasn’t released a kit for the Supra yet. I was thinking about going with AEM meth.
     
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    luchocampusano

    luchocampusano Well-Known Member

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    Burger WMI kit for B58 engine full control on JB4 and you could check on logs
     
  9. Gearbangin

    Gearbangin Well-Known Member

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    Burger said the intake was different on Supra and kit doesn’t bolt right up. Did you have to modify?
     
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    luchocampusano

    luchocampusano Well-Known Member

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    very simple installation, is good to use a shop with experience installing WMI. Burger WMI is #1 for N54, N55, B58 and S55.
     
  11. Gearbangin

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    Is this the kit?

    C79E31A9-ACB2-40FE-9BEC-353134305AB4.png
     
  12. Twisted Tuning

    Twisted Tuning Well-Known Member
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    #27 Dec 9, 2019
    Last edited: Dec 9, 2019
    Long story short, if someone wants the JB4, by all means get it. However to say the JB4 is the God or a flash only tune is at a disadvantage without a JB4. I highly inaccurate considering how advanced the DME that comes in the car is. I tune people with JB4s all the time. So don't take this as a hate toward the JB4. But i'm one of few people that tune and use ALL types of tools. SO i base any opinions on them unbiased. And with the background and experience to do so. I'm not telling you you're wrong for only using or recommending JB4 to your customers. as thats your preference, however i do feel you're wrong saying a Flash only car is at a disadvantage without a JB4. respectfully, to each their own.

    Pardon any typos. was typing fast.
     
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  13. OP
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    luchocampusano

    luchocampusano Well-Known Member

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    ok, I understand ... a lot of writing from your side

    I prefer results :

    N55 World Qwickest. full weight all boost.
    S55 3rd Qwickest worldwide full weight all boost.
    Real world Results running with DA of 1,250 ft and not even close our track conditions than US
    10.74sec full weight, no nitrous, stock turbo ( just 2nd day at track )


    keep watching RESULTS.
     
  14. OP
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    luchocampusano

    luchocampusano Well-Known Member

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    yes
     
  15. anajri

    anajri Well-Known Member

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    bloppppppppp
     

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