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TTE780+ Upgrade Performance Turbochargers RS4 / S4 B5 / A6 2.7t

TTE Si Jan 6, 2015

  1. TTE Si

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    TTE780+ Upgrade Turbochargers RS4 / S4 B5 / A6 2.7t

    Welcome to our Ultimate level for the 2.7 T motor, using RS6 exhaust turbine housings. Developed from our 750 series. These are maybe the pinnacle of RS4/RS6 type hybrids offered anywhere for response and also power. 780PS capable on 102 RON and up to 900PS on E85 fuel has been achieved by S-Performance.

    Engineered & Enhanced


    TTE780+ Turbochargers start life as Genuine RS6 K04 OE units. Engineered and enhanced using in most part BorgWarner components or better. These units offer our fifth turbocharger step to increasing your 2.7T motor performance, yet offer relative little loss in response for such huge power potential. Offering a balance of high power and fast response. Making around 2.0bar at 4k rpm on a 2.7 motor with right hardware and tuning.

    TTE780+ has RS4 compressor covers with larger TTE CNC billet inlets that we CNC machine in house to an optimum clearance to allow fitment and maintain the efficiency of a larger highly advanced billet milled 7+7 blade high-pressure compressor wheel. This billet compressor also has a very high efficiency. We also give these compressor cover outlets some extra attention porting and polishing the boost discharge outlet to smooth the airflow to the boost pipework for improving efficiency.

    The Compressor wheel being a 7 blade billet milled high-pressure anti-surge geometry compressor wheel, features promote greater airflow and pressure using a low inertia wheel that performs like a wheel of even greater size and mass. 7+7 Blade technology enables lower boost threshold giving the user faster spool-up at lower engine speeds while providing the high boost with much less heat for powerful top-end performance.

    The RS6 exhaust turbine housings are CNC milled in-house to allow fitment of a far larger turbine to an optimum clearance for maximum efficiency. We also CNC modify exhaust entry port from a stock size diameter of approx 38mm to new TTE size of 44mm and tapering, so increasing the size of the throat to increase the flow capacity before the turbine.

    Turbine and shaft being BorgWarner (Porsche) K16 items, measuring with a 49.1mm Exducer and with a 55mm Inducer, compared to RS6 K04 with an Exducer 44.4mm & 50mm Inducer that we use on our smaller stages. We also give the K16 turbine a clip. Clipping reduces the blade area thus increasing gas flow and so reduce backpressure and lowering exhaust gas temperatures, allowing safer higher boost level's. Curving the clip is to alleviate stress from the process. This clipping also gives a secondary advantage of removing some material, lightening the turbine thus reducing the rotational mass improving moment of inertia and spool.

    Special profile 360 deg TTE developed high-performance motorsport journal bearing system are fitted, to remain durable at higher loads with no loss in transient response.

    Actuators used are uprated sprung OE units fitted with our reinforced clamps for trouble free operation. These also can also be modified/set to customer needs and specifications.

    Equilibrium

    Precisely balancing our turbochargers is a key critical factor to become a TTE upgrade unit as longevity and performance are paramount. Good balance improves acoustics also. Subsequent great care is taken with all TTE turbochargers to achieving our balance standards. Firstly parts are balanced at slow speeds up to 2800RPM in multiple planes using our single parts machine, then components are assembled and then the CHRA are dynamically balanced, but this time depending on application at up to 250,000 RPM in multiple planes using our in-house VSR machine to acquire the ultimate equilibrium, to a standard far higher than OEM. Each turbocharger is supplied with serial numbered balance test result document.

    Key Points

    Genuine BorgWarner RS4 compressor housings and key components
    Ported discharge outlets and compressor cover coated in Hi-Temp black paint
    Genuine BorgWarner RS6 exhaust housings CNC ported & modified
    TTE Latest Billet compressor geometry
    Genuine BorgWarner K16 Turbine, Special Curved Clipped & lightened
    TTE Reinforced Motorsport bearing system
    Genuine BorgWarner Modified reinforced and synchronised actuators, coated in Hi-Temp red paint
    TTE CNC Billet 58mm inlets (Viton O-Ring seals inc)
    Single parts finely balanced then components assembled and high-speed VSR balanced
    Supplied with a serial numbered balance test document for each turbocharger
    Installation as original RS4 K04 (with regard to oil and water line, all else see bellow)
    780PS Capable
    Designed, Machined & Built by TTE in Germany

    Brand New Price 4284.87 Euro net

    To Recondition and upgrade a used set of RS6 K04 to TTE780+ Price is 2604.20 Euro net

    Shipping does vary but 45.00 euro is a good guide for Europe-wide.

    (For customers in EU countries 19%+ VAT Must be added to prices above unless having a valid VAT ID)

    Reconditioning price shown is based on overhauling and reconditioning, upgrading an undamaged used turbochargers within specification. Only once cleaned and dismantled, inspected then a firm price be made


    ATTENTION

    These turbochargers use K04 RS4 B5 compressor housings with 58mm inlets. Specific turbo intake pipes to suit are required. The turbine housings are RS6 C5 specific, so flange on downpipe is needed to match. They do not work with RS4 B5 specific downpipes but these can be adapted with use of a RS6 flange.

    Optional Performance Extras

    Extra Lightened Turbine shafts (Please email for pricing)

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  2. TTE Si

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  3. TTE Si

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    Congratulations to S-Performance for taking part at speeddays / kings of Germany 2015 yesterday in their S4 3.0 Powered by TTE780 Upgrade turbochargers.

    Maybe fastest S4 B5 in the world on RS4/RS6 Hybrids !

    1/4 mile 10.7sec@217,52Km/h (135.161 MPH)

    Car weight 1785Kg with driver


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  4. TTE Si

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  5. TTE Si

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  6. TTE Si

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    RS4 3.0L TTE780+ Turbos software by TUNETEC

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    S4 TTE780 2.9L E85 Fuel

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    Gives a idea of response from K16 turbine




     
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  9. TTE Si

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    Little comparison compiled by M100 Software engineering



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  10. TTE Si

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    RS4 3.0 TTE780+ M100 Software

    Moderate 2.1 - 2.0 Bar (no wmi) 737PS 973Nm

    And for the haters where is the Lag...Around 600Nm at 3000 Rpm :thumbup:

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    Last edited: Sep 28, 2015
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  11. Miguel_S#

    Miguel_S# Active Member

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    did you try this setup with the new 2871x compressor?
     
  12. TTE Si

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    Yes we have a set on our company rs6 4.2 v8 (like twin TTE420)
     
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  13. Miguel_S#

    Miguel_S# Active Member

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    cool
    did you test in a 2.7 engine?
     
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  15. s3_trev

    s3_trev Northern Ireland Gold Supporter Audi S3 Team Brill Red

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    Great writeup and full of detail
     
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  16. TTE Si

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    TTE TECH.

    Close up detail of the CNC porting on RS4 / S4 B5 TTE780 exhaust entry port.

    This TTE performance option can be added to TTE600 & TTE700 at extra cost

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    Last edited: Sep 25, 2015
  17. Miguel_S#

    Miguel_S# Active Member

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    what is the bore diammeter after cnc porting?
     
  18. TTE Si

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  19. TTE Si

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    RS4 B5 3.0 TTE780

    2.0 bar boost flat 738PS 915Nm (boost limited for organic clutch)

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    Last edited: Sep 28, 2015
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  20. TTE Si

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    TUNETEC RS4 3.0 TTE780 768PS 1006.3Nm 102 Fuel, 2.1bar - 1.55bar

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    Last edited: Sep 28, 2015
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  22. TTE Si

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    Here is some incar screen shots for spool/boost on a TTE780 2.7 RS4 :thumbup:

    4th gear

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    5th gear

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  23. TTE Si

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    KSF Motorsport S4 3.0 TTE780 98 fuel + wmi @2.01 bar MRC tuning software

    762.8ps 837nm (660@wheels)

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    Last edited: Oct 7, 2015
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  24. TTE Si

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    Audi S4 WB 2.7 TTE780 by MRC Tuning

    675ps and 829nm on 95 ron fuel

    741ps and 949nm on 99 ron fuel

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  25. THQuattro

    THQuattro Site Sponsor Site Sponsor Team Panther Team V8 Team V6 VCDS Map User Gold Supporter Team Silver Audi RS4 Audi S4 quattro Audi A4 Audi Cabriolet Owner Group S-line owners group Team Avus Silver saloon Manual

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    That is such a lovely car
     
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  26. TTE Si

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    Really is and owner is cool guy also
     
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  27. TTE Si

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  28. TTE Si

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    S4 B5 TTE780 2.7 741ps 949nm on 99 ron fuel, MRC TUNING

     
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  30. TTE Si

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    Nice easy boost high power set up

    SIDMOTORSPORT S4 WB 3.0 TTE780

    1.6Bar boost 690hp 815nm, Shell Vpower fuel

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  31. TTE Si

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    RS4 b5 3.0 TTE780s TUNETEC Software

    868PS 1052Nm (Limited could of made another 50ps or so)



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  32. TTE Si

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    MB-Tuning RS4 B5 3.0 TTE780 tuned by M100 - Software Engineering

    756PS 945Nm (appox 700Nm at 3.5k RPM)

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  33. TTE Si

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    This shows great turbo boost response of TTE780 turbos on Andre's 3.0 RS4

    3400 rpm 2.1 bar boost pressure

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  37. TTE Si

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    Boost log kindly shared by Kemal Mocke

    Direct comparison of a rs4 b5 2.7 (9.0-1 CR) on stock RS6 turbos vs TTE780

    Same engine, same road, same near conditions and same fuel.

    As you see it backs up my telling all spool is great and not laggy at all. Reinforces why we dropped TTE700..

    TTE780 does it all !!! #BIGPOWERFASTRESPONSE

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  38. TTE Si

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    Mb-Tuning Audi Rs4 2.7 Project 700

    TTE780+ Turbochargers & M100 - Software Engineering LC+ NLS + MapSwitch

    Program 1 = 542 PS / 618 NM at 1,0 bar
    Program 2 = 709 PS / 833 NM at 1,7 bar

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  39. THQuattro

    THQuattro Site Sponsor Site Sponsor Team Panther Team V8 Team V6 VCDS Map User Gold Supporter Team Silver Audi RS4 Audi S4 quattro Audi A4 Audi Cabriolet Owner Group S-line owners group Team Avus Silver saloon Manual

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    Luv it, great car.
    Good to have two maps.
     
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  40. TTE Si

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    Agree with is a nice function
     
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