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Thread: Bobby Singh's Audi A4 3.0 TDI Project car

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  1. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #11
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    HI Bobby,

    My questions below

    1> Wagner tuning does not offer a FMIC for the Audi A6 3.0tdi but offers upgraded twin side mount intercoolers . Does it make sense changing them @ GBP750/-
    2> Are you running a stock or Hybrid Turbo
    3> If Hybrid specs and bought from whom
    4> The remap - Have you done it yourself or from a tuner. If needed can the map be sent to me/purchased if I were to replicate your setup. Reason am asking is I dont have access to a 4 wheel dyno in Mumbai and would save me a whole lot of time and effort in getting the tune right by doing a road tune(done ny tuner not me)

    Jignesh

    None of the products will be available in India and am aware that I will have to import the same.
    2009 Audi A6/C6 3.0 tdi quattro remapped stage 2 with full Miltek catback exhaust & K& N filter
     
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  2. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #12
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    My questions below

    1> Wagner tuning does not offer a FMIC for the Audi A6 3.0tdi but offers upgraded twin side mount intercoolers . Does it make sense changing them @ GBP750/-
    I can arrange for a Wagner intercooler if it helps
    2> Are you running a stock or Hybrid Turbo
    Stock GTB2260VK
    3> If Hybrid specs and bought from whom

    4> The remap - Have you done it yourself or from a tuner. If needed can the map be sent to me/purchased if I were to replicate your setup. Reason am asking is I dont have access to a 4 wheel dyno in Mumbai and would save me a whole lot of time and effort in getting the tune right by doing a road tune(done ny tuner not me)
    Yes I tune cars and this is my own - as you can see takes a lot of research and development to workout what is actually required rather than just throwing parts in to a car.
    Im sorry but I'm not prepared to mail you a tune as when I flash a car I add some protection - hope you understand

    Bobby
     
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  3. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #13
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    27/9/15 - Egr and Swirl flaps delete

    Updated post 2 and 3 - enjoy
     
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  4. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #14
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    4/10/15 - Exhaust Manifold Pressure measurement taken and updated post #3
     
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  5. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #15
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    Just found this thread and loving it!
    Interested in your thoughts on injectors and fuel pumps, I've spent am eternity inquiring about upgraded items only to be disappointed.
    My asb with hybrid bv50 is limited by fueling.
    Got a link to wagner smic as can't find them?



    2007 3.0tdi le mans
    hybrid turbo, decat,miltek, 20's etc
    330-350 bhp
    450-500lbst


    2007 3.0 tdi le mans : Hybrid turbo decat : miltek etc : 330-350 bhp : 450-500lbsft

    Visibility pack. Adaptive xenon, Privacy glass. Bose surround. Dvd nav. Comms pack, led plate lights.
    Miltek, custom map,hybrid turbo, decat improved airflow to intercoolers.
     
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  6. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #16
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    Quote Originally Posted by bops6 View Post
    Just found this thread and loving it!
    Interested in your thoughts on injectors and fuel pumps, I've spent am eternity inquiring about upgraded items only to be disappointed.
    My asb with hybrid bv50 is limited by fueling.
    Got a link to wagner smic as can't find them?



    2007 3.0tdi le mans
    hybrid turbo, decat,miltek, 20's etc
    330-350 bhp
    450-500lbst
    Thanks
    What pump do you have fitted to your car?
    From the BV50's I've tuned in the past you should have a CP1H?

    If so you shouldn't be getting fueling issues at 670nm.
    Do you suffer from rail pressure drop? And do you have any logs IQ?
     
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  7. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #17
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    Still running standard pump and injectors.
    Never even got round to dyno the damn thing. Just educated numbers.
    No logs either lol
    Just what I've been told about fueling by couple of tuners.
    Not very helpful am I.
    Sorry
    Couldn't find a tuner in South east with experience with this engine when I has the turbo fitted.

    2007 3.0tdi asb le mans
    hybrid turbo, decat,miltek, 20's etc
    330-350 bhp
    450-500lbst


    2007 3.0 tdi le mans : Hybrid turbo decat : miltek etc : 330-350 bhp : 450-500lbsft

    Visibility pack. Adaptive xenon, Privacy glass. Bose surround. Dvd nav. Comms pack, led plate lights.
    Miltek, custom map,hybrid turbo, decat improved airflow to intercoolers.
     
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  8. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #18
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    There's an offer I might take you up on 👍
    I know my current map could be improved and the couple of respected tuners with dynos I have talked to want large £'s for the maps which I never got round to.


    2007 3.0tdi asb le mans
    hybrid turbo, decat,miltek, 20's etc
    330-350 bhp
    450-500lbst


    2007 3.0 tdi le mans : Hybrid turbo decat : miltek etc : 330-350 bhp : 450-500lbsft

    Visibility pack. Adaptive xenon, Privacy glass. Bose surround. Dvd nav. Comms pack, led plate lights.
    Miltek, custom map,hybrid turbo, decat improved airflow to intercoolers.
     
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  9. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #19
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    Firstly many thanks to Stuart who has kindly unlocked this thread.

    The car has made very good progress and I will update it now.

    Enjoy
     
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  10. Re: Bobby Singh's Audi A4 3.0 TDI Project car 
    #20
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    10/10/15 - Inline coolant regulator

    So since removing the EGR cooler the coolant temp has been dropping to low as 50deg when on the motorway.

    This regulator use to be mounted on the EGR cooler:



    So from the egr cooler I cut out the mounting and also cut the 16mm pipe coupler to weld together.



    But the internal bore size is alot bigger on the regulator mounting:



    Ended up using a reducing 90 and it worked a treat



    17/11/15

    Updated the lighting on the car from Aurora Bulbs (great service). Fog light, interior bulbs, boot, and reverse.

    63mm intercooler pipe (turbo to intercooler)

    First getting the stock (50mm pipe) out is a pain - I ended up cutting it at muffler:

    I wanted to see what was inside any how





    After some cutting I had a rough design:






    However, the 63mm pipe was too big for the Wagner silicone hose. There was a section in the hose that accepted 57mm, so ended up with this:



    Tapped some threads and fitted a NPT nipple to measure pressure drop rather than using a hose with a hole.

    The silicone hose which i used is very close to the exhaust manifold so have ordered some heat wrap and will need to fit a support bracket to hold the pipe up.

    In other news my exhaust is ready
    Great quality item - custom made 3" with V band connections and ear friendly big mufflers.

    ]





    2/12/15 - 3" Exhaust fitted

    Well I fitted the 3" exhaust during the weekend and to be honest it looks great and sounds great. But I'm not sure I can live with it.
    I'm basically doing a lot of miles and I always wanted a stealth but fast car.

    It does look good:



    As for performance well its the best I've seen with zero back pressure at 4.6k rpm and only 45mbar in the midrange.
    Im sure its old age but I want my car to be silent. So I'll be fitting the standard system back which was giving me 130mbar still not so bad as the 2260 has to deal with at least 500 to 600mbar with the dpf.

    In the future if I find the back pressure is too high then maybe I'll fit a active exhaust valve.

    I've also now found the limit of the CP4.2 pump - I can get 97mg in the mid range with 81mg @ 4k before rail pressure becomes a issue.
    Still smoke free which is great - time for another dyno i think.
    Last edited by Bobby singh; 02-08-2017 at 02:28 PM.
     
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