Would a stripped out FL S8 manual be a good track car?

[moltuae]

Sod weight reduction.

Get a supercharger on it!

[RallyQuattro]

Of course is the S8 with manual gearbox a perfect car to drive on the race track with otherwise I wouldn't drive my RS8 on the race track all the time.

Unfortunately I have both sunroof and a towbar on my car, I have removed the rear seat and changed the front seats for easier race seats then I removed the mats, spare wheel and everything loose in the car.
But I still have the stereo, double glazing and also twin turbo, twin intercoolers, big oil coolers and more.

My weight with full fuel tank and me in the car is:
Total: 1765kg
Front: 1083kg
Rear : 682kg

I have a friend with A8 with sunroof but No towbar, he have 6spd manual gearbox and rear mounted turbo he have no stereo and have taken away more parts than me, he have this weight with full fuel tank but without him in the car:
Total: 1591kg
Front: 971kg
Rear: 620kg




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[RallyQuattro]

But I also have:
Custom built KW Competition 2-way
RS6 brakes,
Density Line lower controls arms and adjustable upper control arms with spherical bearings in front and home modified rear lower control arm with spherical bearings and aluminum rear sub frame,
LSD diff in a rear RS6 housing.
and more.

And of course my RS6 V8 biturbo engine that helps me to have fun

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[RallyQuattro]

Films

http://youtu.be/QakcQ8_X0j8

http://youtu.be/H9d3Qzp0bnw

and two pictures from the race track.

[Goran]

That's a excellent low weight for a RS4 S8
I'm jealous, I estimate my S8 (also manual) is at 1749kg with full tank but me not in the car!

I bet you saved a lot of weight with racing front seats, just out of curiosity do you know the weight of your racing seats?
I know the S8 standard Recaros weigh 34kg each which is a lot.

Also I think the rear seats weigh 30kg so that's a lot you saved there too.

Impressive!

[RallyQuattro]

RS4 ?

I think they were at around 10 kg each with mounting brackets

The big thick floor mat weighs 12kg
Now I just have a thin "speaker fabric" on the floor to cover all cables.

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[awolfinsheepsclothes]

Awesome car!
Cheers Dave

[andycaca]

Originally Posted by SilverS8

The quattro system in it self i see no problem in regarding track racing. Would of course need a torsen rear diff. My only consern since i find no info on the web is how will the D2 chassis handle it selv. Will i be to heavy no matter what i do?

if you do go ahead with this, i have a set of D2 KW coilovers that will definitely be of interest to you

[Goran]

10kg those are light seats!
so just a quick calc, you must have saved 58kg on the front seats, 30kg rear seats, 12kg carpet, 25gk spare wheel, thats -125kg not counting anything else.
Excellent!
I cant wait to get rid of some more weight, but mine is going to be more conservative, I'm putting in TT manual front seats 22kg each, so only saving 24kg total compared to recaros.

Also really interesting you installed a RS4 LSD rear diff, was that difficult to do or is it a more or less direct bolt in to S8 subframe?
That's one thing I would really like to do also.

[RallyQuattro]

Originally Posted by Goran

Also really interesting you installed a RS4 LSD rear diff, was that difficult to do or is it a more or less direct bolt in to S8 subframe?
That's one thing I would really like to do also.

Why do you write RS4 every time?
RS4 and RS6 are two completely different cars

RS6 rear diff with mounts fits directly.
But there is nothing special inside RS6, It have the same open diff as A8/S8 the only difference is the cooling plate on the underside.

What I have done is I have bought an LSD and fit it inside my RS6 diff, but that you can do also in your A8/S8 diff
I have also installed a temp sensor on my RS6 diff.

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