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Thread: Cobb AP - first thoughts on stock MPS6

  1. #21
    Join Date
    Apr 2010
    Location
    Canberra
    Posts
    9,459

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    Quote Originally Posted by Lachlan View Post
    I think the norm for VD is to use a custom correction factor of 1.01 rather than dyno jet (can't remember the difference though)
    Doesn't matter too much, it's all about the "gains"
    Quote Originally Posted by dropped View Post
    Can anyone clarify this?
    It's been deemed that cf of 1.01 is the most "accurate" dyno setting...
    But it's easily manipulated by wind/going down hill etc...

    I've had a usually perfectly flat road which gives me same numbers in both directions show +10kw one way, and -10kw the other way simply due to wind...
    Newbie FAQ My Build Thread
    From stock, to GT3071, to substantially less modded, many lessons learned!
    3" HTP | 100 Cel DP | Autotech HPFP | AP V3 - Self Tuned on E20 | JBR RSB | CPE S2 REM | JBR Shifter Bushings

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    Thanks @SarcasticOne

    The road I use is perfectly flat, and no wind was present at the time.

    using 1.01 does drop the out put to 144 KW though...

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    Uploaded CF+1.01 version
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    Have now received my first map revision from @Rayd, Loaded the map last night, and went for a quick drive as it was fairly late.

    Idle is a lot better than both stock and Cobb OTS stage 1
    Initial take off has improved immensely vs stock and Cobb OTS stage 1, actually feels like a totally different car as it just feels lighter when taking off.
    The power delivery has also improved, there is all types of power where there wasn't before (have not been over 4k yet).

    And my pants dyno tells me that there has been a big improvement over stock and Cobb OTS stage 1 in power and torque!
    2007 MPS6 - Cobb AP (Tuned by RayD ~ 160KW / 331NM ATW)
    CP-E Engine & Diff Mount
    JBR Solid Shifter Bushings
    Whiteline Rear SwayBar
    Sold!

  5. #25

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    New VD up soon then?

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    Quote Originally Posted by Lachlan View Post
    New VD up soon then?
    Yip should be able to do one tonight.

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    Will upload a new vd today totally forgot @Lachlan


    Sent from my iPhone using Tapatalk

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    As below
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    Had very decent gains over stock, the car runs and drives a lot better now, heaps more usable power which is what I was after! Can't wait for the bank account to recover from a few things then it's new fuel pump and dump pipe!!


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