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  1. #1
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    Some more JB4 dyno results

    Hey guys,

    Had a little time do did a few runs with the 135i today. Car has full bolt ons, ~92 octane, and an off the shelf JB4. Temps upper 60s.

    Tested map 2, a custom pump gas map 6, and finally kicked on the progressive meth for a few runs with a 5psi additive. Overall pretty happy with the results! The map 6 was pushing it a bit for pump gas and not suggested for general use. But did quite well.

    Click here to enlarge

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    Wow. Terry, those numbers with meth are pretty sick. Nice work.

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    Thanks! @ 19-20psi I'm sure we can hit 440-450rw like we did with the JB3. But this is a nice "real world" example IMHO. No one runs around with 19-20psi on the street.

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    If I wasn't dumping my E90, I would upgrade to the JB4. Click here to enlarge

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    Very Nice Terry. Looks like it def is running very nice and smooth.

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    Terry,
    I may not be reading this graph correctly, but why is max power rated at 423.75 hp for any setup when the graph shows that max hp for any setup is over 450hp?
    To me, it looks like you're maintaining around 450 hp from 3300 rpm to about 4600 rpm?

    Or, is it that you are measuring torque (on the right side of the graph)...and not hp on the left side.

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    Each run has a torque and a power curve. So you're looking at the torque curve, which is around 450wtq.

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    Click here to enlargeClick here to enlargeClick here to enlarge
    [SIGPIC][/SIGPIC]

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    Yes! I want this even more now.

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    Thanks Terry! Do you happen to have a JB4 log of this run with boost, throttle, timing and meth flow information?

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    Post edited to insert attachment inline so it resizes. I need to get you in the habit of doing that Terry.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Thanks! @ 19-20psi I'm sure we can hit 440-450rw like we did with the JB3. But this is a nice "real world" example IMHO. No one runs around with 19-20psi on the street.
    you sure about dat!?

    kiddin.. i dont even like doin it for glory runs Click here to enlarge

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    LOL I'm talking stock turbo guys. Click here to enlarge

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    Thanks for keeping us updated, Terry. Count me in as a future customer when the JB4 is released for the N55.

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    JB4 is awesome. I love the changes, the boost delivery, the code reading, timing on all logs as well as meth flow. If you are on the fence and thinking about spending much more for a tune, JB4 delivers at an affordable price. Great Work Terry and the whole Burger team! (even the grunts soldering units together).
    2007 E90 non sport, JB3 2.0 18ohm, Labonte Progressive Meth, Cooling Mist Solenoid & Nozzles CM5 & M7, Ar DPs, Hyperboost Diverter Valves, M3 19s, M3 Rear Carbon Spoiler, Koni FSD, ZSP Springs

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    rb's go in this weekend and should be dynoing this coming week
    JB4LIFE

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    Click here to enlarge Originally Posted by mazdaspeed6 Click here to enlarge
    rb's go in this weekend and should be dynoing this coming week
    Click here to enlarge
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    ^ there on you jerk!
    JB4LIFE

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    Click here to enlarge Originally Posted by mazdaspeed6 Click here to enlarge
    ^ there on you jerk!
    ? I was drooling.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

  20. #20
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    LOL I though he was having a seizure? Click here to enlarge

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