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 RS6 Engine on S8 View next topic
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C J
Experienced


Car: RS4 B5
Power: 507
Torque: 741
Engine code: AZR

Joined: 16 Apr 2013
Posts: 3579

Location: Nottingham

PostPosted: Sun Nov 02, 2014 10:21 am  Reply with quoteBack to top

Rs8!!!! Like!!!!! What audi should of done!!!

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RnsE,Milltek,MRC Filter,034 SAI delete,034 hoses,Wagner coolers,Podi gauge,034 TFSI coil conversion,034 snub,034 rear ARB+brackets,B7 brakes,Tanoga SS,Nialls catless 3' dp's,413 pump,630's,DO water meth,MRC stage 3 with LC and FS.
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RS8
Brand New, Welcome :)


Car: Audi S8-97 = RS8

Joined: 02 Nov 2014
Posts: 13


PostPosted: Sun Nov 02, 2014 10:24 am Reply with quoteBack to top

[/URL]

[/URL]

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Audi S8/RS8, 6speed 01E, RS6 engine uppgraded turbos, custom built exhaust manifolds, wagner ic's, big fuelrails and fuel lines and more.
Also RS6 brakes, KW competition 2-way, lsd in RS6 diff house
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Graham
Veteran



Joined: 20 Apr 2008
Posts: 8931


PostPosted: Sun Nov 02, 2014 10:45 am Reply with quoteBack to top

Excellent!
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RS8
Brand New, Welcome :)


Car: Audi S8-97 = RS8

Joined: 02 Nov 2014
Posts: 13


PostPosted: Sun Nov 02, 2014 11:16 am Reply with quoteBack to top

[/URL]

_________________
Audi S8/RS8, 6speed 01E, RS6 engine uppgraded turbos, custom built exhaust manifolds, wagner ic's, big fuelrails and fuel lines and more.
Also RS6 brakes, KW competition 2-way, lsd in RS6 diff house
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ScottR
Veteran


Car: B5 S4

Joined: 22 Apr 2008
Posts: 8451


PostPosted: Sun Nov 02, 2014 11:51 am Reply with quoteBack to top

Love it!

Any pics of the conversion work?
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Akis
knowledgeable


Car: Jaipur '00 S4 Saloon
Power: Stock
Torque: Stock
Engine code: AGB

Joined: 08 Jul 2012
Posts: 595

Location: London

PostPosted: Sun Nov 02, 2014 2:03 pm Reply with quoteBack to top

Phenomenal achievement! Very well done indeed  

Further details on the conversion and any issues you had to overcome would be greatly appreciated.
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Kent
Skilled



Joined: 22 Sep 2012
Posts: 1573


PostPosted: Sun Nov 02, 2014 2:11 pm Reply with quoteBack to top

Top work

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Was an S4. That became an S4/RS4 Widebody now its turning into an RS4... http://audisrs.com/about51237.html
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Professor Peach
Skilled


Car: 2016 S3 Quattro

Joined: 17 Dec 2010
Posts: 1613

Location: Northampton

PostPosted: Sun Nov 02, 2014 2:27 pm Reply with quoteBack to top

Hubba hubba! Very impressive and now (unlike when this thread started), I have a D2 S8 as a starting point. 😎

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Rob

All too often, the light at the end of the tunnel is a headlamp on the front of the on-coming train of disappointment.

When designing something to be fool proof, never underestimate the ingenuity of fools.
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mikey-s
Veteran



Joined: 11 Jun 2008
Posts: 7382

Location: Mars

PostPosted: Sun Nov 02, 2014 2:37 pm Reply with quoteBack to top

RS6 lump in a S8... Thanks,  I did NOT need to see this!  

Great work!

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20v UR Quattro,  B5 S4,  B5 Tdi Avant
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RS8
Brand New, Welcome :)


Car: Audi S8-97 = RS8

Joined: 02 Nov 2014
Posts: 13


PostPosted: Sun Nov 02, 2014 5:38 pm Reply with quoteBack to top

I had a manual gearbox from the beginning in my S8.

Here is some work that have been done in my car.

The block must be grinded and welded to fit the S8 starter to manual transmission and make the adapter to the starter motor or buy rebuilding kit available to the RS6 for manual gearbox transplation.

Weld engine mounts on the front engine frame because they are not in the same place on the RS6 engine. and cut out and modify the frame to accommodate pressure pipes to the IC.
And NO, the rs6 engine frame will not fit on a D2 chassie so you can't use that one.

Making room for IC's on the sides = fit a smaller coils container on that side and on the other side move the ABS unit and bend all brake lines to make them fit again on the ABS unit and also remove ac filter dryer and AC pipes etc. to make room for IC

The rs6 and S8 electrical system must be paired = mass job, then a tuning company have to remove all Canbus functions as well as automatic transmission and lots of other fault codes in the RS6 ecu you will have when you start the engine first time.

Modify the pedals and mount RS6 gas pedal because it is electrically controlled to the throttle and not with wire as the S8.

Move the flywheel sensor or modify so it reads right against S8 flywheel and buy Sachs Race pressure plate and clutch disc so they can handle the torque of the RS6 engine.

Modify the fuel system, your A8/S8 fuelpump can handle about 400hp not more, but it will work to fill a catch tank were you have a Bosch 044 or Walbro 450 fuel pump installed, because it will not work to fit better fuel pump directly in your fuel tank.

Move forward the water cooler 2cm to make room for the engine and rebuild the fan cover to fit the RS6 electric fans. (RS6 has 2 electric fans S8 has 1 electric + 1 that spins with multi strap) RS6 has completely different fan control with "ecu" that controls the fan speed instead of a resistor bridge as the S8 have.

Modify RS6 water pipe at the rear on the engine for the pipe to the heater and modify the RS6 water pipe on the side of the engine to the S8 radiator.
even the bottom cooling pipe from RS6 must be cut and welded to fit the S8 radiator.

Install an big oil cooler in the front and fix hoses to it.

Making new servo hoses and new servo jar (A4/RS6 is much smaller) or move the S8 jar.

Modify or build new RS6 downpipes and new exhaust I have 2x3inch first that it is 1 x 3.5" from middle of the car to the rear.

Modify RS6 airbox on the engine so it fits in the S8 engine compartment and then you have to move a bit even on the S8 conservator.
Then you have reinforcements on the inside of the hood that needs to cut away, otherwise you can not close the hood with RS6 airbox on the engine.

S8 cruise control will not work on the RS6 engine, trip computer will not work and it is hard to fit everything with AC parts still there, so the easiest is to run without aircondition.

Is probably something I forgot ..

_________________
Audi S8/RS8, 6speed 01E, RS6 engine uppgraded turbos, custom built exhaust manifolds, wagner ic's, big fuelrails and fuel lines and more.
Also RS6 brakes, KW competition 2-way, lsd in RS6 diff house

Last edited by RS8 on Sun Nov 02, 2014 5:46 pm; edited 2 times in total
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Akis
knowledgeable


Car: Jaipur '00 S4 Saloon
Power: Stock
Torque: Stock
Engine code: AGB

Joined: 08 Jul 2012
Posts: 595

Location: London

PostPosted: Sun Nov 02, 2014 5:45 pm Reply with quoteBack to top

Awesome! Thank you for the information
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Noggymike
Veteran


Car: 2002 B5 RS4
Power: 430 bhp
Torque: Whatever
Engine code: BHP

Joined: 07 Oct 2012
Posts: 12164

Location: In front of you, lol'ing

PostPosted: Sun Nov 02, 2014 5:55 pm Reply with quoteBack to top

Love things out of the "Norm"

Hats off

       

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PM me if you have a S4 FS, always looking for projects.
2002 B5 RS4 Noggy
2008 BMW 118d Daily slaaaag
2000 TT 225 Roadster little pocket rocket
1982 UR Quattro gem in the making
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RS8
Brand New, Welcome :)


Car: Audi S8-97 = RS8

Joined: 02 Nov 2014
Posts: 13


PostPosted: Sun Nov 02, 2014 6:19 pm Reply with quoteBack to top

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_________________
Audi S8/RS8, 6speed 01E, RS6 engine uppgraded turbos, custom built exhaust manifolds, wagner ic's, big fuelrails and fuel lines and more.
Also RS6 brakes, KW competition 2-way, lsd in RS6 diff house
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RS8
Brand New, Welcome :)


Car: Audi S8-97 = RS8

Joined: 02 Nov 2014
Posts: 13


PostPosted: Sun Nov 02, 2014 8:22 pm Reply with quoteBack to top

Here a movie from my car.

http://youtu.be/H9d3Qzp0bnw



Link

_________________
Audi S8/RS8, 6speed 01E, RS6 engine uppgraded turbos, custom built exhaust manifolds, wagner ic's, big fuelrails and fuel lines and more.
Also RS6 brakes, KW competition 2-way, lsd in RS6 diff house

Last edited by RS8 on Sun Nov 02, 2014 8:28 pm; edited 1 time in total
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Challice
Experienced


Car: S4 V8
Power: 340bhp
Torque: 301lbft

Joined: 05 Mar 2011
Posts: 3027

Location: Wiltshire

PostPosted: Sun Nov 02, 2014 8:27 pm Reply with quoteBack to top

Fantastic... nice work
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