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  1. #26
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    Tq is lower this time because he didn't start at 2000 rpm like he did last time..
    JB4LIFE

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    hello friends
    can someone explain this flat curve between 3800rpm and 4400rpm?? Click here to enlarge

    has to be due??
    [SIGPIC][/SIGPIC]

  3. #28
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    not sure maybe because its holding boost so well?
    JB4LIFE

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    1 out of 1 members liked this post. Reputation: Yes | No
    no drf files.. this was sae correction and 0 smoothing
    Click here to enlarge
    JB4LIFE

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    baseline before rb turbos...just dci... sae smoothing 0
    Click here to enlarge
    JB4LIFE

  6. #31
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    GREAT WORK!! 14/15 psi and well into 4xx hp.. very ver nice. these things REALLY come a live past 16 psi.. id be willing to say that once your setup, you will surpass my previous best

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    Click here to enlarge Originally Posted by mazdaspeed6 Click here to enlarge
    no drf files.. this was sae correction and 0 smoothing
    Click here to enlarge
    that little bump I do not like, maybe you can straighten??
    [SIGPIC][/SIGPIC]

  8. #33
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    Damn....I better start saving some money, those are great numbers for pump. Will be hard though with baby on the way.

  9. #34
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    Click here to enlarge Originally Posted by carcars Click here to enlarge
    that little bump I do not like, maybe you can straighten??
    that was an old log with jb3 i believe. not the jb4 and Rb's

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    that was an old log with jb3 i believe. not the jb4 and Rb's
    know friend

    but that small bump between 3800 and 4400 rpm is the same in the rb turbos in the same way that the JB3

    you not to notice??
    [SIGPIC][/SIGPIC]

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    Click here to enlarge Originally Posted by carcars Click here to enlarge
    know friend

    but that small bump between 3800 and 4400 rpm is the same in the rb turbos in the same way that the JB3

    you not to notice??
    Thats the "Vanos Bump" that shows up on practically every car.
    Some people live long, meaningful lives.

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    Click here to enlarge

  12. #37
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    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
    Thats the "Vanos Bump" that shows up on practically every car.
    "Vanos Bump" but it is more common in atmospheric car no?
    [SIGPIC][/SIGPIC]

  13. #38
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    Click here to enlarge Originally Posted by carcars Click here to enlarge
    know friend

    but that small bump between 3800 and 4400 rpm is the same in the rb turbos in the same way that the JB3

    you not to notice??

    in this? http://www.bimmerboost.com/attachmen...6&d=1297905856

    no, i dont see what bump you referring to. i do see that power increases then. probably because that is about the point in which boost starts to get more aggressive. I do not however see any vanos bump

  14. #39
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    What do you guys forsee a RB car making on 93 pump only @ say 16psi? Is that even doable?

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    Click here to enlarge Originally Posted by Blaizon Click here to enlarge
    What do you guys forsee a RB car making on 93 pump only @ say 16psi? Is that even doable?
    16 on 93? Without meth?

    Doable... sure.
    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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    Weather plays a big role. Remember the JB4 target is independent of ambient temperature and pressure. So on a cold day like this dyno 14.5psi may be the same power as say 16.5psi on a warmer day. Based on data I've seen so far from large turbo dynos, and we've done a few now, I think around 400rw on 93 @ 15psi is going to be the "average". You can crank it up to around 16psi with an ign drop out here and there with the OEM setpoints, or if you have an advance limiter you can probably run say 17psi with a 2 degree offset, but power will wind up around the same range either way.

  17. #42
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    Click here to enlarge Originally Posted by Blaizon Click here to enlarge
    Solid numbers @ only 14.5psi!...
    YES they are!

    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
    Not bad for low boost. Turn it up to 20 psi with meth Click here to enlarge
    might wanna wait on that Click here to enlarge

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