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Bobby Singh A4 3.0 TDI build thread

bobby singh Jul 14, 2015

  1. TimberVD

    TimberVD Registered User

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    Flipping awesome. I can't believe you've got an whole 100bhp more then me. I'm already scared enough with 408!!!

    Thanks for keep on pushing the envelope. This is truly magnificent.
     
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  3. TimberVD

    TimberVD Registered User

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    Probably doesn't help that the torque wants to fold the chassis over like a sheet of paper. Haha.

    Should run 11s at Santa Pod.
    Next stop Salt Flats for a VMax run. :D
     
  4. xJay1337

    xJay1337 Registered User

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    I use the m4 ;)
     
  5. Nicwike

    Nicwike Registered User

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    Hi Bobby,

    Can you please let me know which eibach springs I should order?

    Thanks
     
  6. Gazwould

    Gazwould Registered User

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    Pro-Kit E10-15-011-04-22 .
     
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  7. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    Gaz is correct :)
     
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  8. Nicwike

    Nicwike Registered User

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    Thanks Gaz and Bobby, my car is so horrible to drive at the moment. I'll put up a before and after so everyone can see the difference between h&r and eibach on a 3.0tdi.
     
  9. Nicwike

    Nicwike Registered User

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    thanks so much Gaz

    Ill put up a before and after pic
     
  10. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    H&R are really horrible for road use.
    They lasted a week on mine.
     
  11. Gazwould

    Gazwould Registered User

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    Is this H&R experience right across the VAG range and Eibach is the answer ?
     
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  13. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    Good question. But I don’t know the answer to the whole VAG range. But in the future I’ll go Eibach every time
     
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  14. xpoweruk

    xpoweruk TTTS 8J Smile Machine

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    I used to frequent a forum that had a rally instructor/car builder etc on it.
    He used to say Eibach/Bilstein every time the suspension questions came up for a road car
    He was not a fan of H&R
     
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  15. TimberVD

    TimberVD Registered User

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    Hi Bobby, I'm interested in your crank case vent setup. As you don't seem to have the metal pipe coming out of the oil separator anymore. Is the oil separator still there but then just the blue pipe plumbed directly to it? Or did you upgrade the oil separator as well due to the increased blowby?
     
  16. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    Hi - under the egr you will find a oil breather which I’m connected to directly. The stock metal pipe just extends this further up

    Cheers
     
  17. TimberVD

    TimberVD Registered User

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    Gotcha, that's what I thought. What inner diameter is the hose?
     
  18. Moggie707

    Moggie707 Registered User

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    That is a solid effort! Looks like massive lag on the graph but in perspective its making soo much torque and power it just looks that way. Id imagine it would still easily be steetable with that setup, until full boost kicks in anayway :p
     
  19. xJay1337

    xJay1337 Registered User

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    I had H&R on my Scirocco and they were excellent . My friend had Eibachs on his and the ride and handling was better with the H&R.
    But depends on the car for sure.

    In the case of A4 then Eibach provide a more comfortable spring.
     
  20. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    Blue hose you mean?

    Thanks - the turbo can spool sooner but due to surge requested set point is lower.
     
  21. Varadi Bela

    Varadi Bela Registered User

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    Hello..

    I would like to find out about the achievements of the 3.0 tdi engines, it seems the high level of knowledge .. I have a good performance .. so i turn to you for help .. i am mercedes v6 cdi i have a 224 ps motor .. i was new but i was injector problem .. and I would like to ask if the CRS3-20 2000 bar injector can be set up instead of the factory 1600 bar injectors .. they have been installed .. that standard chiptuning does not work well .. and no one can do it .. or help in it .. Sorry Bobby to put you here, Thanks .. (Sorry bad English)
     
  22. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    Hi - so you want to run 2000bar rail pressure? You have a stock tune at the moment?
    You will need a rail sensor that can read upto 2000bar and fix the calibration in the map.
    Where are you? maybe i can recommend someone for you.

    Thank
     
  23. ion2211

    ion2211 Registered User

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    Wow, 505 BHP & 980nm is seriously impressive. @bobby singh : you mentioned your Gearbox is stock . What about your clutch??

    Whats is the Max Torque Limit for the manual gearbox? I was under the impression it was 800nm ??
     
  24. Varadi Bela

    Varadi Bela Registered User

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    Yes but the injectors are not factory .. I do not know how to calibrate them from the beginning .. or just put an end to the pressure .. now there is a standard reprog .. if not good .. i can download .. and send the program .. yes I think there is a 2000-bar sensor for a Mercedes ..
    <br class="Apple-interchange-newline"><div id="inner-editor"></div>

    18/5000

    I live far away
    Europe .. in Hungary

    Thanks for your help ..
     
  25. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    Gearbox and clutch is stock yes - You realise I have a 6hp 28 ZF Tipronic box not manual.
    FYI manual can take 900mn depending on the clutch condition.

    Im sorry I can't provide help in that area. But you should ask for the duration map for the injectors.
     
  26. ion2211

    ion2211 Registered User

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    Ah sorry, I got mixed up between your car and @desertstorm - his is a manual

    Good to know that manual can take 900nm.

    I though the Tiptronic gearbox had a lower tolerance.

    So what is the Max Torque limit for the Tiptronic Auto?... I thought it would be lower than the Manual?
     
  27. Varadi Bela

    Varadi Bela Registered User

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    Thanks so .. number of injectors 0445117 030 factory is almost new, but unfortunately I can not find the data anywhere ..
     
  28. Moggie707

    Moggie707 Registered User

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    Bobby what are you going to do to over come the surge? The engine physically can't flow enough air for the requested boost or other issues? I think I read you were going to bleed air off the intake to prevent this? if the boost gets uncontrollable via the vanes wouldn't it be better to put an external waste gate to help control the boost also will reduce back pressure when in surge condition. Just a thought
     
  29. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    There are two use cases for this surge issue:
    1) In gear surge
    2) Gear change surge
    Gear change surge is has been over come by the built anti surge feature within the ECU
    In gear surge has been overcome by requesting less boost.

    But yes some type of bleed off would allow better spool - you can imagine the tuning that's required for this to work perfectly.
    To be honest I'm thinking of a new project haha I've done the 3.0 to death now.
     
  30. Roadrunner146

    Roadrunner146 Registered User

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    Ooh!!! what next. :respekt:
     
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  31. TimberVD

    TimberVD Registered User

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    Correct.
     
  32. Roadrunner146

    Roadrunner146 Registered User

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    Hi Bobby. When you replaced your valve springs did replace the oil seals as well . I'm consuming to much oil, and before I remap it I could do with getting it fixed.
    I'm trying a thorough flush first. I've got decent compression and wondered if the oil scraping rings are stuck .
    If that doesn't work I was going to tackle the value stem oil seals . It looks fairly straightforward it's just making sure I don't screw up on the timing chain's . Would I be right in thinking the v6 diesel is similar to the v6 petrol internally .
    Any tips .
    Regards
    Brad.
     
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  34. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    If you on this thread I think I posted a picture of the ZF rating for each gearbox type - official ZF say 6hp 28 is good for 700nm
    With close to 1k nm I don't the gearbox and DMF will too happy on a manual.

    Hi Brad no I never bothered to touch the stem seals, My car doesn't burn any oil etc so I never bothered to be honest.
    Buy the timing kit tool and ensure you remove both chain covers to ensure TDC before removing the chain or the cam's. I made this mistake and spotted it in time :)

    Its a fiddle job and I wouldn't want to do it again.

    I ended up making my own tool to compress the springs which fixed on to the injector studs (your petrol won't have these studs)

    Good luck
     
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  35. Roadrunner146

    Roadrunner146 Registered User

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    Thanks for the info.
     
  36. Roadrunner146

    Roadrunner146 Registered User

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    One last thing . How did you stop the valves dropping into the boar.
     
  37. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    Air line or bring the piston up.
    Just be sure you are compressing the retainer true you dont want to push the valve into the piston for obvious reasons.
     
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  38. Roadrunner146

    Roadrunner146 Registered User

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    :thumbs up:
     
  39. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    I know apart from the dyno you guy haven't seen or heard about any times from the car.
    But I pulled a 9.7 seconds from 100 to 200
    Previously was 11.3 - nice improvement.
     
    Last edited: Feb 4, 2018
  40. desertstorm

    desertstorm Moderator Staff Member Moderator VCDS Map User

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  41. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    Its funny you say that on the dyno when the operate told the BMW crowd the torque figure they thought he meant nm :)
     
  42. Enigma2

    Enigma2 Registered User

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    @bobby singh I have read this thread many times and it was nice to see the detailed work, dedication and that you reached the 500hp/~1000nm mark. It went so far I even bought the exact same car instead of the A6 C7 218hp. Same gearbox and engine as you and also an -09.

    If I remember correctly you did ask for software/remap for the 6HP28AF? It's possible with tools like MagPRO if you have access to it. There should be many tuners in GB that have access to it. I know getriebeklinik in Germany using this with good results.
     
  43. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User

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    Don't be a copy cat :)
    Thanks for the kind words.
    Yes I have MagPro and other tools and now can access the gearbox, but its pretty complex - so changing rpm shift points is possible but I'm struggling with speed at which they can change at.
     
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