Monster MotorsportAH Fabrications
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  1. #1
    TimJK's Avatar
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    Stage 1 S3 map, fluttering from 3500-4000rpm

    Hello, Had a stage 1 map put on the car this morning.

    I have a forge recirc valve (Changed to yellow spring), ITG intake.

    Since map I now have a flutter in power when under hard acceleration between 3,500-4,000rpm. It is fine before, and afterwards throughout the rev range.

    Its running currently on tesco 99.

    I have removed the forge recirc valve thinking its dumping too early but its not cured it...


    anybody else come across this problem before?

    Tim

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  3. #2
    Blackie's Avatar
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    Check my earlier thread

    Silky explained it fully so all is well

  4. #3
    TimJK's Avatar
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    I may be blind but cannot find your thread?

  5. #4
    Blackie's Avatar
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    Just click on my profile and then started threads

  6. #5
    TimJK's Avatar
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    Yep I must be blind then, Cannot find a thread you've started with the same issue.

  7. #6
    Paullie's Avatar
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    Hey Tim, all it is is the diverter valve modulating the boost, it's perfectly normal. Nothing at all to worry about. I have the Forge DV and yellow spring fitted also. For me it just became more noticeable after I had my Forge TwinTake fitted. Have a read of Silky's original thread (couldn't find Blackie's one from the other day when having a quick search either, ..I should have gone to Specsavers, I guess lol) xx

    S3 Boost Modulation/Flutter
    MY10 S3 8P3 S-TRONIC, IMOLA YELLOW
    SHARK PERFORMANCE STAGE 2
    - GONE BUT NOT FORGOTTEN!

  8. #7
    TimJK's Avatar
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    But it's funny how the original valve and the forge valve both do this? It doesn't seem right that it should do it... I'm going to ring up the place that mapped it when they are open again just to check its definitely ok.

  9. #8
    TimJK's Avatar
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    I fitted a milltek turbo back exhaust and it stopped the fluttering..... Until I had a play with an sps it came back. But reverted to settings I first had on and still there. Fail!

    Also fitted a hpfp so going to go back for a stage 2 or 2+ map soon and ask about it.

  10. #9
    TimJK's Avatar
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    Flutter still present and its now been stage 2+ map, on studying the RR graph I've noticed it doesn't have as greater climb in the power curve between where the fluttering starts and stops. may need to return to mapper?

  11. #10
    in the fast lane

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    As above the fluttering sound is boost modulation as Paullie explained above!
    Kev

    Revo Technik
    www.revotechnik.com

  12. #11
    TimJK's Avatar
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    Quote Originally Posted by RevoKev View Post
    As above the fluttering sound is boost modulation as Paullie explained above!
    Strange how as it happens though there is a dip in the power curve, Any way to get around it happening?

  13. #12
    in the fast lane

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    There shouldn't be an actual did in the power curve, but it is doing that to modulate boost. Sounds to me like you'd benefit from our update and getting the car setup again, either ourselves or dealer would then be able to explain what the car should/shouldn't be doing!

    2.0L TFSI K04 Revo Stage 1, 2, 2+ FOC Software Update
    Last edited by RevoKev; 23rd July 2012 at 12:29. Reason: add info
    Kev

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  14. #13
    TimJK's Avatar
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    I will scan in and message you the graph if you like. It is the latest software version as you may recall being contacted by a dealer about problems flashing my car and had to return the next week once the new software was released.

  15. #14
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    Yes please!
    Kev

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  16. #15
    TimJK's Avatar
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    Quote Originally Posted by RevoKev View Post
    Yes please!
    I have sent it to you now

  17. #16
    TimJK's Avatar
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    Stage 1 S3 map, fluttering from 3500-4000rpm

    Have you checked your messages yet?

  18. #17
    in the fast lane

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    Yes and I spoke to Dan over at Clive Atthowe's as well, there's no real dip in the power curve but you can see a dip in the torque curve which is accentuated on the graph due to the scaling. That car's seeing some very healthy figures for stage1!
    To make sure it's all okay I'd get it logged on the road, you'd be able to see boost dipping if it's massively pulling load out for some reason.
    Kev

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  19. #18
    TimJK's Avatar
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    Stage 1 S3 map, fluttering from 3500-4000rpm

    Ok I will log again on the road, this isn't stage 1 this is stage 2+ mapped

  20. #19
    in the fast lane

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    That makes more sense although the thread title is confusing!
    Kev

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  21. #20
    Audi Dynamik's Avatar
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    I used to Run my Car on Tesco 99 and i started having the Hesitation problems,
    I have recently been on Holiday with a Tank full of V Power been down South to the Isle of Wight for a week and then to Devon for a week clocked up 960 Mile in 2 week with using nothing but Shell V Power and the hesitation has vanished !!
    Her 2011 Limited Edition A4 Dynamik 2.0 Tfsi quattro 211 BHP Saloon & Mine 2013 Bmw 535D M Sport 313 Bhp 630nm.
    ***Audi's In The Park***The Biggest Audi Event In Europe 10th August 2014*** http://www.audi-sport.net/vb/audis-park-aitp-2014/221933-audis-park-2014-show-10th-august-billing-aquadrome.html
    Reputation given for the best answer.



  22. #21
    TimJK's Avatar
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    Stage 1 S3 map, fluttering from 3500-4000rpm

    Quote Originally Posted by RevoKev View Post
    That makes more sense although the thread title is confusing!
    Sorry yeah i thought maybe it's something that was only going to happen stage 1 but then it remained when I went to stage 2+ but added it to this thread.

  23. #22
    TimJK's Avatar
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    Stage 1 S3 map, fluttering from 3500-4000rpm

    Quote Originally Posted by Audi Dynamik View Post
    I used to Run my Car on Tesco 99 and i started having the Hesitation problems,
    I have recently been on Holiday with a Tank full of V Power been down South to the Isle of Wight for a week and then to Devon for a week clocked up 960 Mile in 2 week with using nothing but Shell V Power and the hesitation has vanished !!
    Mine has always been on vpower so hesitation is with that.

  24. #23
    in the fast lane

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    Tim, as I said I spoke to Dan over at Clive Atthowe's, there's no real dip in the power curve but you can see a dip in the torque curve which is accentuated on the graph due to the scaling. To make sure it's all okay I'd get it logged on the road, you'd be able to see boost dipping if it's massively pulling load out for some reason. The guys at Clive Atthowes would be able to do this!
    Kev

    Revo Technik
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