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Another 8L Track Car - Lets get ready to 'Ruuuuuuuumble'!

Discussion in 'A3/S3 Forum (8L Chassis)' started by Welly, Oct 22, 2012.

  1. Welly
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    Welly VX220 SC Driver :)

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    [Oct 22, 2012]
    As all of you are aware - I currently am not an Audi owner, which is a bit strange for me after 5 years with 2 different 8Ls.

    So, my plans to rectify this are pretty straightforward. Myself and my brother have decided that a track car is going to be an immense amount of fun.

    So, another 8L platform track car it is going to be.

    For the purposes of my normal forum wide R&D, I am planning to build this engine completely out of parts sourced from ebay. Project aims:
    • Testing of a different ebay manifold
    • Testing of an ebay external wastegate setup
    • Testing of a dodgy chinese sub £200 turbo
    • Testing of Chinese nobby no brand H Beam rods.
    • Create a FWD track car with around 325 - 350 BHP at reasonable (?) boost
    • Abuse car and attempt not to crash

    I expect the usual pitfalls, problems and irritations along the way, as per all VAG projects. I am planning immediately to outlay about £2000 -£3000 over the next 6 months to complete the build.

    I'm looking forward to getting cooking on this to be fair, a new project excites me and as most of you know I am 100% incapable of sitting on my hands for more than around 5 - 6 minutes. And I have a big wad of cash too for a change.

    I have lots of planning to do as I want to plan exactly what I want before I start.

    Step 1. Source an 8L 1.8T Sport for £500 or less.
    #1
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  3. jojo
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    jojo S3 Drift King! Staff Member Moderator

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    [Oct 22, 2012]
    Good luck Welly.
    #2
  4. s3dave
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    s3dave TFSI Hybrid

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  5. Maz
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    Maz Moon is made of green cheese

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    [Oct 22, 2012]
    Sounds like a plan, all the best Welly and good luck.
    #4
  6. coatesy
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    coatesy poking badgers with spoons

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    [Oct 22, 2012]
    #5
  7. Jason.s
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    Jason.s Active Member

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    [Oct 22, 2012]
    Speak to Rtech about cheap chinese turbos. They`re getting pretty nice figures and 1/4mile times from those. When i went there he had an Ibiza there running a cheap 200quid chinese t3 at a shade over 300.
    #6
  8. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Oct 22, 2012]
    Niki seems to have good luck on the chinese turbos. I'm sure there is a mk4 running decent times up the strip and over 400 BHP on one. Not sure if they are also used on tracks or as dailys tho.
    #7
  9. Yohan87
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    Yohan87 Member

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    [Oct 22, 2012]
    Will be following this closely :)

    Niki has had those cheap ass T3's taking some punishment for quite a while now.
    #8
  10. Welly
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    Welly VX220 SC Driver :)

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    [Oct 22, 2012]
    Yeah, I am interested to see what can be achieved. And lets be fair, if the tubby goes bang, it's hardly expensive (as long as bits don't go where they shouldn't).
    #9
  11. Gops
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    Gops 6th gear @7000rpm

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    [Oct 22, 2012]
    If you get one with an armrest, first dibs :) and ill wash and seal your car :cool:
    #10
  12. Reesy
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    Reesy Well-Known Member VCDS Map User

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    [Oct 22, 2012]
    Might have an armrest available, although it's cloth..

    Anyway, hope all goes well Welly, and look forward to (not) racing you next year at ADI.
    #11
  13. superkarl
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    superkarl MAN OF STEEL

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    [Oct 22, 2012]
    if you get a chinese turbo just get TD to check it over or something, just for a bit of a guarentee
    #12
  14. Welly
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    Welly VX220 SC Driver :)

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    [Oct 22, 2012]
    I shall be giving Dan (BeachBuggy) a shout.... :)
    #13
  15. superkarl
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    superkarl MAN OF STEEL

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    [Oct 22, 2012]
    winner winner chicken dinner
    #14
  16. Welly
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    Welly VX220 SC Driver :)

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    [Oct 22, 2012]
    With regards to mapping etc... as usual I shall be taking it to Bill when the time comes.

    A chinese turbo should pose no problem... and a new reg on the dyno computer will be nice.

    No taking out fuse 31 either...
    #15
  17. Welly
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    Welly VX220 SC Driver :)

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    [Oct 22, 2012]
    So then, in the normal spirit of not hanging around, I am off to go and see an 8L this evening.

    Resides around 12 miles from my house, has a running issue with the oil pickup. Long MOT, tax and full service history oddly.

    £500 sheets.

    Step 1 provisionally sorted.

    Step 2.

    Turbo.

    Now, this is a difficult choice and there are many nice an shiny chinese tubbys out there. I have looked at various GT28s and such however have decided to start simple with a cheapo bolt on kit below:

    AUDI A3 S3 1.8T 20V T3 TURBO MANIFOLD + WASTEGATE + TURBOCHARGER | eBay

    Good points: Cheap. Very cheap. Comes with Mani which is normally ~£99 and also with a dodgy external wastegate. Turbo is V Band hotside. T3 flange easy to find replacements.

    Bad points: Cheap. Very cheap. Oil cooling only.

    Oil cooing only put me off a little at first, but on a track car with an oil cooler, I am reasonably happy it will be OK. Will deffo need cooling lap as well as idle before shut down.

    This makes oil cooler a must, as well as oil temp gauge. Other benefit being that there is less lines to make.

    If it breaks, in the bin it goes.

    Costs so far - £810.
    Last edited: Oct 22, 2012
    #16
  18. kwistof
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    kwistof South East Events Moderator Regional Rep

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    [Oct 22, 2012]
    Love this thread already....can see it will become an epic one as per your S3 build thread.

    Been without an Audi for just a few days and you already need another one in his life! You really don't mess about....that cash must be burning a hole in your pocket!
    #17
  19. Welly
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    Welly VX220 SC Driver :)

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    [Oct 22, 2012]
    It's not that mate, I just love getting stuck in... I like having a project in hand, gives me something to aim for, and to focus on.
    #18
  20. coatesy
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    coatesy poking badgers with spoons

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    [Oct 22, 2012]
    i can see this turning in to "i want my s3 back" lol

    you defiantly don't hang around mate good stuff, glad iv got a new thread to follow! :racer:
    #19
  21. Welly
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    Welly VX220 SC Driver :)

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    [Oct 22, 2012]
    Looking forward to a new challenge mate to be fair.
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  22. StaceyS3
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    StaceyS3 Well-Known Member

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    [Oct 22, 2012]
    Nice one mate you certinally don't hang about :)

    Are brakes going to be a bit higher up the priority list this time as it's going to be a track car ;)
    #21
  23. Welly
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    Welly VX220 SC Driver :)

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    [Oct 22, 2012]
    Yes, they most certainly are. Going to start with 312s and see how that goes. Maybe work upwards from there. It won't have much in it, so shouldn't need much more fingers crossed.
    #22
  24. jojo
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    jojo S3 Drift King! Staff Member Moderator

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    [Oct 22, 2012]
    At this rate, all the regular posters are going to end up with A3 track cars! :laugh:
    #23
  25. s3 Hoggy
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    s3 Hoggy Whats going on???

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    [Oct 22, 2012]
    All I can say is LOL!!!

    This is going to be Epic!
    #24
  26. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Oct 22, 2012]
    Welly you're barmy son :thumbsup:
    #25
  27. badger5
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    badger5 www.badger5.co.uk Site Sponsor

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    [Oct 22, 2012]
    dont forget the "WellyCooler" (TM)
    #26
  28. colicabcadam
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    colicabcadam Guest

    [Oct 22, 2012]
    be different, tune a diesel and show up the petrol folk lol
    #27
  29. turnstyle
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    turnstyle Member

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    [Oct 22, 2012]
    Sweet n Sour Chicken turbo = buying another turbo within a few weeks me thinks......


    At least thats my stance now - id really really like to be proven wrong on this one :)
    #28
  30. beachbuggy
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    beachbuggy Well-Known Member

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    [Oct 22, 2012]

    Can always fit a water/oil bearing housing instead of the one it's running. I'd assume and almost suggest that it would just need a balance .
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  31. superkarl
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    superkarl MAN OF STEEL

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    [Oct 22, 2012]
    some internet browsing and you'l find LOTS of cases where these turbos last.
    its just a case of having the balls, and it seems wellys are rather metallic
    #30
  32. coatesy
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    coatesy poking badgers with spoons

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    [Oct 22, 2012]
    Ah so its not the sounds of spare change clanging together when he walks... Makes sence now
    #31
  33. slowcoach3
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    slowcoach3 Active Member

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    [Oct 22, 2012]
    Whats the point, Jardos will always be faster....:cool:
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  34. superkarl
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    superkarl MAN OF STEEL

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    [Oct 22, 2012]
    theres no point in any of us bothering!
    #33
  35. Prawn
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    Prawn My other car is a MINI!!!!

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    [Oct 22, 2012]
    This sounds excellent Welly!


    Worth thinking about: If you go for an AGU, Bill cannot map these currently due to the stupid ME3.8 ECU, so it'd have to be Niki, unless Bill has a fix for the ME3.8 coming any time soon? Could swing your purchase potentially.

    As for the ebay turbo's, James Lord is running a T04E ebay turbo on his drag MK4, running 450bhp before NOS I believe, runs 12s quarters regularly and the turbo has been going for 2 years so far.

    Another chap we know with a Leon cupra is running an ebay GT2871 on a home brew setup, small port engine, and is currently running 367bhp at about 27psi of boost. It's been running like that for 4 months now and seems to be in good health still with apparently no play developed.

    I've actually been thinking about the ebay 2871 myself, with an AKS T25 top mount manifold and a custom downpipe from Bill. All just thoughts at the moment, I want to drive Si's 367bhp 2871 car first and see what it's like.

    Oh, and 312's will never be good enough!
    #34
  36. jojo
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    jojo S3 Drift King! Staff Member Moderator

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    [Oct 22, 2012]
    Quote of the day! :laugh:
    #35
  37. Sam_
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    Sam_ Down under

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    [Oct 22, 2012]
    If you need them, I'd happily donate some 312 S3 carriers to the cause. Calipers might be a bit heavy to send...
    #36
  38. Sam_
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    Sam_ Down under

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    [Oct 22, 2012]
    And I was told 312s with decent discs and pads is more than enough :) I guess he does give it some?

    If you're going to the effort of changing manifold, turbo and downpipe, wouldn't it be worth going GT30? Seems like a lot of effort for <50bhp (presuming you hit 350 on this engine?)
    #37
  39. Prawn
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    Prawn My other car is a MINI!!!!

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    [Oct 22, 2012]
    For road use perhaps, 312's for track use are utter ********, especially with 300+ bhp it's going to make things even worse.
    #38
  40. phil miller
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    phil miller Member

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    [Oct 22, 2012]
    will be watching this, good stuff
    #39
  41. Andrew@A.L.D
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    Andrew@A.L.D Cylinder Head Master

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    [Oct 22, 2012]
    You can never overkill with brakes, the bigger the better i say.

    With it been a track car you will be late braking so get the biggest brakes you can get under the wheels

    My 355mm and 6 pots are great for very last minute braking
    #40

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