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hunterx
Brand New, Welcome :)



Joined: 19 Feb 2012
Posts: 18


PostPosted: Wed Feb 22, 2012 9:26 am  Reply with quoteBack to top

does the RS6 c5 V8 4.2 biturbo engine fit on S8 ..

and if it`s .. then how much the cost of the engine .. ??

regards ;

.... ><>
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dave1981
Knows a Bit


Car: audi s4 b5
Power: 0
Torque: 0

Joined: 29 Apr 2009
Posts: 108

Location: kent

PostPosted: Wed Feb 22, 2012 2:52 pm Reply with quoteBack to top

I seem to remember 2 maybe 3 years ago someone done a conversion on an s8 and because of the heat the rs6 engine produces it started to melt the s8
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hunterx
Brand New, Welcome :)



Joined: 19 Feb 2012
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PostPosted: Wed Feb 22, 2012 2:57 pm Reply with quoteBack to top

how it`s come . the size of the engine are similar .. also the both cars made from same material. maybe he did not make it ok .
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quattrokid
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Joined: 22 Apr 2008
Posts: 6663

Location: Ayrshire

PostPosted: Wed Feb 22, 2012 3:00 pm Reply with quoteBack to top

The RS 6 C5 is a steel bodied car whereas the A8/S8 is an aluminium shell.

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DavidT
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Car: Silver B5 S4 Saloon
Power: 470 bhp
Torque: 490 ft/lbs

Joined: 18 Apr 2008
Posts: 6764

Location: Cheshire

PostPosted: Wed Feb 22, 2012 4:46 pm Reply with quoteBack to top

What a great car that would make though
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hunterx
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Joined: 19 Feb 2012
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PostPosted: Wed Feb 22, 2012 4:58 pm Reply with quoteBack to top

what`s about s6 is it also steel or aluminum ??
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CraigG
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Car: E91 320D

Joined: 09 Aug 2009
Posts: 885

Location: Livingston

PostPosted: Wed Feb 22, 2012 5:56 pm Reply with quoteBack to top

S6 is steel aswell, the A/S8 is unique in that respect.
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Moonwalker
Experienced


Car: MRC RS6 V10 Saloon
Power: 754.3PS
Torque: 1021NM
Engine code: BUH

Joined: 21 Jan 2010
Posts: 2749

Location: Warwickshire

PostPosted: Wed Feb 22, 2012 6:17 pm Reply with quoteBack to top

DavidT wrote:
What a great car that would make though


Oh hell YES. I cannot even begin to tell you how much better the D2 S8 is then the C5, the engine is the only reason I'm sticking around with the C5. A bog standard A6 would have been what 22k and a D2 A8 50k? It feels like they have cheapened the C5 on purpose because of this.

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Nollywood
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Car: '01 Audi S8
Power: 360 hp
Torque: 430 Nm
Engine code: AVP

Joined: 07 Mar 2012
Posts: 14

Location: Aso Rock

PostPosted: Thu Mar 08, 2012 11:59 am Reply with quoteBack to top

I would consider a single turbocharged 4,2 V8 in a D2. It would locate the snail away from the chassis rail, so heat will be less of an issue.

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Professor Peach
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Car: 2016 S3 Quattro

Joined: 17 Dec 2010
Posts: 1604

Location: Northampton

PostPosted: Thu Mar 08, 2012 2:28 pm Reply with quoteBack to top

I've thought about this a few times (not that I have even a tenth of the money I would need), but it does sound amazing.

Quote:
I would consider a single turbocharged 4,2 V8 in a D2. It would locate the snail away from the chassis rail, so heat will be less of an issue.


Nollywood - but wouldn't that sought of conversion, adding a turbo to a currently naturally asparated car cost a fortune. Better to find an RS6 engine from a dead car and try to sort out the heat issues?    

Then again as said before. I am an idiot!

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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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audimad100
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Car: Vipered Audi S4
Power: 477bhp
Torque: 530lbft
Engine code: AGB

Joined: 03 Feb 2010
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Location: Penzance Cornwall

PostPosted: Thu Mar 08, 2012 2:46 pm Reply with quoteBack to top

bang on the money proffessor peach most cost effective way would be a donor engine and box including the wiring loom etc.
the exhaust mainfolds, turbos and downpipes are going to be the biggest source of the heat problems. i would say that a serious amount of shrouding along the chassis legs and bulkhead will be required also if the DP's are wrapped this will also help.
another issue that will probably rear its ugly head will be cooling as i would have thought that the S8 rad will need replacing with either the RS one or a perpose build rad.

would still be a real weapon on the road and would give a few people a shock as it took of like a scoulded cat

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andream88
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Car: RS4 B5

Joined: 28 Jun 2008
Posts: 4438

Location: ITALY

PostPosted: Thu Mar 08, 2012 3:16 pm Reply with quoteBack to top

just source a W12 A8...and be done with it
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Nollywood
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Car: '01 Audi S8
Power: 360 hp
Torque: 430 Nm
Engine code: AVP

Joined: 07 Mar 2012
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Location: Aso Rock

PostPosted: Thu Mar 08, 2012 4:00 pm Reply with quoteBack to top

Professor Peach wrote:
I've thought about this a few times (not that I have even a tenth of the money I would need), but it does sound amazing.

Quote:
I would consider a single turbocharged 4,2 V8 in a D2. It would locate the snail away from the chassis rail, so heat will be less of an issue.


Nollywood - but wouldn't that sought of conversion, adding a turbo to a currently naturally asparated car cost a fortune. Better to find an RS6 engine from a dead car and try to sort out the heat issues?

Then again as said before. I am an idiot!


No one said it would be cheap (or easy). Conversions seldom are, and in most cases we spend more on our cars are worth. It's a C-O-N-V-E-R-S-I-O-N, not a plug and play solution. If you prefer the easy way, then by all means, buy an RS6. Or if you want a more powerful D2, then a LHD W12 is an option.

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2008 BMW 120d 5-Door M-Sport.
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Professor Peach
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Car: 2016 S3 Quattro

Joined: 17 Dec 2010
Posts: 1604

Location: Northampton

PostPosted: Thu Mar 08, 2012 9:12 pm Reply with quoteBack to top

Nollywood wrote:
Professor Peach wrote:
I've thought about this a few times (not that I have even a tenth of the money I would need), but it does sound amazing.

Quote:
I would consider a single turbocharged 4,2 V8 in a D2. It would locate the snail away from the chassis rail, so heat will be less of an issue.


Nollywood - but wouldn't that sought of conversion, adding a turbo to a currently naturally asparated car cost a fortune. Better to find an RS6 engine from a dead car and try to sort out the heat issues?

Then again as said before. I am an idiot!


No one said it would be cheap (or easy). Conversions seldom are, and in most cases we spend more on our cars are worth. It's a C-O-N-V-E-R-S-I-O-N, not a plug and play solution. If you prefer the easy way, then by all means, buy an RS6. Or if you want a more powerful D2, then a LHD W12 is an option.


Indeed neither solution would be cheap or easy, but they are both conversions in their own right. It just seemed to me that there was already a power plant from another model that was almost perfect for the job, then it would be a sensible starting point. Of course when did 'sensible' ever get used with a discussion about twin turbo v8 beasts.
Thanks for the clarification on the spelling of C-O-N-V-E-R-S-I-O-N though. Very helpfull .

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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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RS8
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Car: Audi S8-97 = RS8

Joined: 02 Nov 2014
Posts: 13


PostPosted: Sun Nov 02, 2014 10:18 am Reply with quoteBack to top

I have Audi S8 -1997 6spd with Audi RS6 C5 engine, I have used my car in 2 years now and is updating it all the time.
It is a lot of work to fit the RS6 engine and intercoolers and make everything to work.
But as you see it is possible!  


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