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15Degrees-North S3 turbo Race Car build

Discussion in 'A3/S3/Sportback (8P Chassis)' started by 15Degrees, Jan 18, 2013.

  1. 15Degrees

    15Degrees Active Member

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    It is nigh on impossible to compare a track/race car to a road going version. Mine will handle far far better because of the following

    Up rated bushes all round
    Race suspension
    Lowered springs
    Accurate corner weighting of car and driver seat position (I sit in the back seat)
    Accurate camber setup for optimum tyre temps
    Race tyres
    Mapping of my car for pure tourque to get me out of corners faster
    BTCC cage for stiffness
    Uprated brakes and race pads all round


    When I tested my Clio at Cadwell there were lots of very expensive cars there and I ran rings around them much to their chargrin :) They expected power to be the be all and end all off of the race/fast car equation and it is not. Power = weight and weight = to slow in and out of corners, have to brake much earlier, go through tyres and pads much faster. Corner speed is where you win races not down straights. This is why F1 cars weigh 600kg! My Clio weighed 820 dry.
     
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  3. S3Alex

    S3Alex Rarely neutral
    Audi S3

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    Exactly.


    Though mine has adjustable topmounts,and coilovers,and all of the bushes and mounts etc,and the brakes and pads are used in a race series,it's still carrying a huge weight penalty,and whilst straight line runs may be a different matter,it's just not a reasonable comparison.

    It all comes down to kinetics and the huge difference that losing 300kgs can make to the way a car handles around bends.....much less energy to lose under braking,and far less inertia to overcome under acceleration.

    And...as I said,the driver!
     
  4. 15Degrees

    15Degrees Active Member

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    Yeah people reel off 300kg as though it's nothing but it is like having 4 passengers in the car with you!! The car becomes a deep sea trawler LOL
     
  5. S3Alex

    S3Alex Rarely neutral
    Audi S3

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    LOL...nice one!

    Thing is,once you take the back seats out,you lose not only the weight of the seats but the ballast(passengers!) as well!

    Losing weight from a car is really quite difficult unless you're brutal with the accessories...my Escort was a Motorsport shell,and even the bloody heater was shaved down to the minimum so in winter you relied on the engine to keep warm!

    The S3 weighs about 1500kg,which is fairly chunky for a hatch,and comparing that to the GpN Escort even with very similar suspension and bushing etc,is as we've both said,like chalk and cheese.
    Does mean that I can have a nice comfy warm seat on the way in to work though!
     
  6. 15Degrees

    15Degrees Active Member

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    If you watch this vid you can see how i cant catch the Audi as he has better legs down the straight and more tourque out the corners. I catch him in the corner and then he pulls away again. Snetterton is a another power car circuit, all the others and espcially Cadwell Park favour nimble cars.

    Track Day Trophy Silverstone NAT RACE 13.05.2012 15Degrees-North Clio 182 - YouTube

    I had busted the gearbox engine mount getting off the line in this one so the car felt like a tractor LOL as the engine was sitting on the subframe.
     
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  7. S3Alex

    S3Alex Rarely neutral
    Audi S3

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    Looks like great fun!

    I've only done one trackday so I'm an utter novice but loved it,and the car didn't blow up!

    It did however prompt a brake and suspension rethink so it should be a lot better now.

    What are you planning on for the suspension on yours?
     
  8. 15Degrees

    15Degrees Active Member

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    I have AST sportline 2's on at the moment with Eibach springs. I had them on the Clio and they were very good. You can go silly on shox but I am looking at Nitrons and reigers at the moment at about a grand a corner.
     
  9. S3Alex

    S3Alex Rarely neutral
    Audi S3

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    I looked briefly at the Nitrons and decided on the kW Clubsports instead as something that's just about usable on the road...LOL.

    Still a fairly uncompromising ride.
     
  10. sliced

    sliced Drive safe, stay alive.
    Audi A3 Audi RS7

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    S3ALEX when are you going to put some vids of your car doing a few road pulls :$
     
  11. Cozza McA

    Cozza McA Crunching The Gears
    VCDS Map User

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    I can also agree with this. More noticible in a small engine car.
    By myself my car is sufficient but passengers make it all unbalenced and slow haha.
     
  12. crazylegscrane

    crazylegscrane Active Member

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    Great build thread and a great video of the race - looks like good fun but expensive fun I'll bet!

    Got to get mine to a track day this year and have a go, looking at an MSV day at Brands Hatch at some point, I like that track and have seen plenty of bike racing there.


    Good luck with the build and I hope you get it done in time for the start of your season
     
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  13. chrispy87

    chrispy87 New Member

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    Yes the AST Sportline 2's are very good on the clio arnt they ;)

    Dont forget that AST coilovers are fully servicable/rebuildable. So if you think that they need a refresh then you can send them to Powerstation and they will make sure that everything is ok.
     
  14. 15Degrees

    15Degrees Active Member

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    Lots of progress and I am on the home stretch now :) At last! This has been a much bigger build than I imagined (arnt they always eh)


    Much better wrapping on the downpipe. Should help with heat in the bay. I have also wrapped the manifold. I use Cv joint straps for this as they never come off!

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    Gave the intercooler a lick of paint to tidy it up a bit.

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    My nice new hall switch cap

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    A much better looking condesate unit. I went with the white theme on ally pipes. Ally is such a pain to keep clean in an engine bay. I just have to be carefull not to scratch the white :)

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    More
     
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  15. 15Degrees

    15Degrees Active Member

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    [​IMG]


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    So as you can see much progress has been made and I am now on the home stretch :) Oils arrived today. Oh and filling the diff, haldex and front transfer box has been a right pain in the ass I can tell you!! I have also had issues with the haldex filter. My is a gen 4 kit (Non Audi supply)

    Haldex Gen 4 Filter Replacement Kit

    which I have only managed to find in the states?? Any ideas on that?
     
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  16. S3Alex

    S3Alex Rarely neutral
    Audi S3

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    That looks excellent,and it's great to see it not only transformed,but coming together so well.....good luck for it's first race.
     
  17. NobberUK

    NobberUK VAG Junkie

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    Only just seen this thread for some reason and I've gotta say it's bloody impressive! Strong work buddy, really is a credit to you. Can't wait to see it finished (as I imagine you can't either!!!)

    When is it's first planned outing?
     
  18. Sevv

    Sevv Pushing the limits..

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    hats off to you mate thats hell of progress for 2 months work really, looks to be an awesome build.. however whats the turbo you're using as it doesnt look like a K04 really
     
  19. A3SBQ

    A3SBQ A3 SportBack 2TFSI quattro DSG

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    Haldex Gen 4 Filter??? Did not know it existed:uhm:
    Great build thread!
     
  20. Josh williams

    Josh williams Active Member

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    Wish i wasn't working away! Would love to nip over and have a nosey! Got some lovely bits on this car mate!

    Well done!
     
  21. 15Degrees

    15Degrees Active Member

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    Neither did Audi LOL even though its fitted in quite a few of them LOL including mine.

    Turbo is a garret, not sure what size.

    First outing is April 28th at Donny. It goes for wrap and loom on Monday 15th and then to Northampton Motorsport for map on Monday 22nd. Tight schedule!!!!!!!!!!!!!!!!!!!!!
     
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  23. S3Alex

    S3Alex Rarely neutral
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    Brilliant.

    You've done an amazing amount of work in a short time.

    Good luck for the mapping and first outing.
     
  24. 15Degrees

    15Degrees Active Member

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    The car is now finished and has gone to NMS for interior wiring loom, map and corner weighting.


    A nice front end shot

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    The switch panel has been made from a solid billet of ally.

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    I fitted a small washer bottle and will use the storm washer on the wiper arm
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    So next is wiring, run in, map, corner weight and then race at cadwell may 11th hopefully and then win of course..

    We will see.
     
  25. J.R.

    J.R. "Started From The Bottom"
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    Wow....:ohmy: looks Great
     
  26. nil538

    nil538 Active Member

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    That looks spot on
     
  27. Cozza McA

    Cozza McA Crunching The Gears
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    Great work!! Amazing transformation to when u got the car.
    Wouldnt mind riding shot gun haha passenger seat looks like a prober bucket ;)
     
  28. A3Craig

    A3Craig Member

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    Brilliant thread and brilliant work,
    when running think I need to see it on track
     
  29. 15Degrees

    15Degrees Active Member

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    I am hoping to do a double header at Cadwell Park on May 11th and 12th. Lets hope so.. I am looking forwards to seeing how different it is to my Clio as a race car.
     
  30. mjr901

    mjr901 Parts Manager - (Main Dealer)
    Audi Main Dealer Gold Supporter Audi S3

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    Im loving this, well done, you've done a neat job.

    There is just one thing I dont like... the wing mirrors. :sorry:

    But I fully understand everyone has different taste. :meeting:
     
  31. poli84

    poli84 Member

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    Congratulations on finishing this beast.
    Looks fantastic, what an amazing effort.

    Good luck with your first race, make sure you keep us updated on progress.
     
  32. NobberUK

    NobberUK VAG Junkie

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    Absolutely incredible turn around! Top effort. Can't wait to see some vids of the monster in action!
     
  33. big harty

    big harty Member

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    Simply a work of art. You certainly have an eye for quality and attention to detail. Love it:thumbsup:
     
  34. S3_Tim

    S3_Tim New Member

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    Recently joined Audi-Sport.net and straight away looking at build threads.

    This is one of the best, most informative, fastest progressing build thread ever. This car is insane, there are no adjectives good enough in my vocabulary to describe how sensational this car is / will be once its running.

    I look forward to seeing more pictures and videos of this beast.

    Hats off to you sir!
     
  35. 15Degrees

    15Degrees Active Member

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    Thanks buddy.

    Ever since I was a drooling kid I wanted an A3/S3 and for various reasons could never afford one and then when I could I jumped straight into an Aston and it sort of got bypassed. Because of this I wanted to do this car justice and so have put a lot of effort into the details and build as it's like I am ticking a teenagers box with this one :)

    I have realy enjoyed this build because it really was on its last legs when I got it and now it looks and feels like a new car. I am sure somewhere in there it's thanking me for rescuing it :) I hope it repays my affection with some solid peformances on track eh. I have some very tuff cars to beat in TT this year!


    The car is now with Troy at NMS having the interior loom done and of course once they can start it up the run in and map, then we will weigh it and add 90kg for me so we can map it to the 200 bhp per ton at the wheels I am allowed and then we are ready for shakedown test yayyyyy, can't wait.

    I shall post video links in here of course and also all my races this season in Team Trophy which are as follows. I might do TDT on Saturday at Cadwell May 11th.

    If you come along to any of these races please find my pit and say hello. I will/might be fitting a passenger seat and harness (removable) in this so I can take people out in it on track/test days :) Keep you posted
    [h=4][/h]Race 3


    [​IMG][h=4]Cadwell Park - Sun 12 May 2013[/h]
    Race 4



    [​IMG][h=4]Brands Hatch Indy - Sat 8 June 2013[/h]


    Race 5


    [​IMG][h=4]Snetterton 300 - Sat 27 July 2013[/h]


    Race 6


    [​IMG][h=4]Silverstone - Sat 7 September 2013[/h]
     
  36. 15Degrees

    15Degrees Active Member

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    Yes I agree I thought they would look better. Any suggestions?
     
  37. mjr901

    mjr901 Parts Manager - (Main Dealer)
    Audi Main Dealer Gold Supporter Audi S3

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    OEM with orange caps :)
     
  38. 15Degrees

    15Degrees Active Member

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    Ill get some ordered :)
     
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  39. Cozza McA

    Cozza McA Crunching The Gears
    VCDS Map User

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    Good luck for the race tomorrow at Cadwell Park!
    Hope to hear how you get on. :)
     
  40. cazza1729

    cazza1729 Filthy Oil Burner

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    This thread is definitely NSFW, I've been bagage at work all week because of reading this thread! I may be new to ASN but this is as close to car porn as I've ever seen.
     
  41. 15Degrees

    15Degrees Active Member

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    Sadly I did'nt make Cadwell this weekend :( NMS have not got the wiring done in time Dohh. I am of course dissapointed but that is also a part of motorsport and you have to shrug and move on. I am hoping it will be finsihed next week and mapped.

    I am booked in for July at Brands because somehow TDT and TT have managed to get races on the full GP circuit!!!! So I have booked for both. Next race for TT is June and I am also hopefull I will make that.

    I will keep you posted. Oh what is the best diff for an S3? Do Gripper do one?
     
  42. S3Alex

    S3Alex Rarely neutral
    Audi S3

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    Quaife would be my choice,and I've just ordered one for mine.

    There are alternatives such as Wavetrac,but having run Quaifes before,I know how tough they are,and how effective.

    Good luck for the first race,and sorry you missed Cadwell Park.
     

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