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  #1  
Old 20th September 2011, 12:56 PM
johnds8 johnds8 is offline
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Default Converting an A8 to an S8???

Hi,

I will shortly be looking to get my S8 but as I don't want to be without a car for too long was wondering how feasible it would be to get a 4.2 A8 Quattro Sport and convert it to S8 spec....

I assume:-

Airbox
ECU
Mirrors

Is it as simple (??) as replacing the above to get it up to 340/360 as standard or does it have different manifolds etc etc?

Perhaps I should just wait for the right one to come along and borrow the missus car/get a runabout in the meantime!!

Cheers

John
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  #2  
Old 20th September 2011, 01:07 PM
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IT IT is offline
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Its tough to find a nice 4.2 QS, its easier to find a nice S8 imo.

The S8 has standard Xenons, Sat Nav, nav ally mirrors, different grill, gear ratios, gearbox, instrument cluster, ECU, tail pipes, door trims, brakes, wheels, suspension.....

You get the idea...

Not sure if the airbox is different though....
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The First 20 Audis:

2001 D2 4.2 QS Silver, 1997 D2 S8 Silver, 1999 D2 4.2 Silver, 2002 D2 S8 Dolphin Grey,
2003 C5 RS6 Blue, 1998 D2 S8 Black, 2000 D2 4.2 QS/S8 Ming Blue, 2003 D3 4.2 Ming Blue,
2005 B7 S4 Blue, 2006 D3 3.0 Tdi Black, 1999 D2 4.2 Silver, 2003 D3 4.2 LPG Crystal Blue,
2000 D2 S8 Silver, 2007 3.0 Tdi Q7 Black, 2009 B8 S4 Black, 1998 D2 S8 Agate Grey,
2006 D3 4.2 Tdi Blue, 2006 D3 S8, 2007 Q7 3.0 Tdi, 2006 C6 S6,

The Second 20 Audis:

2011 A7 Sline, 2001 A2 1.4 Tdi Black, 2002 A2 1.4 Tdi Silver, 2006 A8 4.2 Tdi Blue,
2007 4.2 Tdi Q7, 2006 S4 Cab Silver, 2010 RS6 Saloon Black , 2007 TT Roadster,
2010 A8 D4 4.2 Silver, 2006 C6 A6 2.7 Tdi Quattro, 2000 D2 4.2 QS/S8 Ming Blue (again), 2008 Q7 4.2 Black,
2009 C6 RS6 Saloon Daytona Grey, 2001 Fully Loaded A2 Tdi, 2006 Avant S6 Black, 2007 VW Caravelle Exec Black (almost an Audi)
2009 TT Roadster Daytona, 2015 Q7 4.2 tdi lava grey, 2002 GmbH D2 demonstrator, 2006 D3 A8 LWB 4.2 Tdi Black

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2001 A2 1.4 Tdi Black, 2007 4.2 FSi Q7 ABT Blue, 2016 S5 Coupe Launch model, 2004 S4 B6 Cabriolet, 2016 Q7 Sline White, 2006 Q7 4.2 FSi Black, 2012 Q7 Sline+ 4.2Tdi White, 2008 Blue Audi S8

Everything Else

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  #3  
Old 20th September 2011, 06:03 PM
ainarssems ainarssems is offline
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If it is PF then:

Xenons will not be standard on S, have not noticed any difference in door trims either, there is no specific S8 suspension components in ETKA so it looks like they are shared with A8 QS, airbox is the same
And to add more differences:

Valve timing is different so camshafts are different, intake valve followers are solid with adjustable gap instead of hydraulic so save weight and give extra RPM. Compression ratio is different so either heads or pistons are different.
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  #4  
Old 21st September 2011, 11:59 AM
johnds8 johnds8 is offline
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Probably more trouble than it is worth by the sound of things! Ill hold out for an S!

Cheers

John
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