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My s3 v6 build

Tj 0785 Oct 5, 2018

  1. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    So I’ve ordered the mahle piston rings, the inlet manifold is sorted now aswell now I’m looking at the exhaust manifold would a t3 fitment be to small for the 3.2 should I get a t4 fitment instead I’m thinking of a precision 6262 4” inlet 2” outlet AR 82 but should I get t3 or t4
     
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  3. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator

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    Not convinced 0.82 on a VR will be a good thing tbh... considering you are aiming for similar power to a big turbo 20v and prob not gonna rev as high as a 20v I would say 0.63 on a big turbo is plenty

    I use a 0.63 on mine... only difference is yours would spool quicker and make similar hp for less boost on the same GT3582

    <tuffty/>
     
  4. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    Would you say go for a t4 fitment over the. T3
     
  5. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator

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    I'd use v-band LOL

    T4 is more twin scroll... if not going twin scroll then T3 is enough, v-band is preferable but guess not readily available manifold wise for the VR

    Thing to remember is 500hp is 500hp whether its 1.4ltr at 14,000rpm or a 3.2ltr at 6,500rpm...

    I don't have any personal experience of the VR engine let alone turbo'n one so can't speak from experience but... if (or when more likely) I go VRT then I would most likely use a similar setup to what I have now and build a tubular mani with a v-band fitting that would support the GT35 I have now

    airflow is airflow its just you have to work a 4cyl harder to do it over a 6cyl.. a gt35 has a 62lb wheel so 62lbs of air is around 600-620 hp... it should make that on both engines... you just wouldn't have to rev as hard or use as much boost to do so on the 6cyl over the 4cyl is all

    Pretty sure Bill ran a VRT mk4 golf that had a 0.82 hotside and it was laggy...

    <tuffty/>
     
  6. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    Ok yeah v band manifolds or twin scroll ones aren’t that common if they are available they around £1500 maybe upgrade down the line but can’t justify it at the min
    Il order the t3 manifold now then cheers tuffty
     
  7. Stuart B

    Stuart B Registered User

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  8. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    The opening in the manifold face wouldn’t line up with the vr6 I’ve already ordered a t3 manifold now
     
  9. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    Gone and bought a gtx3582 today which has just been rebuilt
     
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  10. Stuart B

    Stuart B Registered User

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    Pictures say a 1000 words TJ #turboporn
     
  11. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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  13. IPG

    IPG Registered User

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  14. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    I look forward to getting it fitted , I wonder what number build you will be on by the time it’s done haha, I got it for under £600 aswell
     
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  15. hydro s3

    hydro s3 S3 amk

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    Looks awesome mate and at a good price to.
     
  16. Stuart B

    Stuart B Registered User

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    Describe it buddy?!!@ what makes it refurbished! Is it new bearings or whatever?

    What on earth does 'never knowingly bettered' mean. Are they a modern-day John Lewis?

    (Learn to screenshot on a phone or email to yourself)

    Screenshot_20190219-214252_eBay.jpg Screenshot_20190219-214258_eBay.jpg Screenshot_20190219-214302_eBay.jpg Screenshot_20190219-214305_eBay.jpg Screenshot_20190219-214311_eBay.jpg Screenshot_20190219-214315_eBay.jpg
     
  17. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    Cheers Stuart I did screenshot even took a screenshot of a screenshot ha but didn’t think to email it to myself
    He said a full rebuild but might of just been the housing changed I don’t know
    How did you pick up on that
    It took me a few goes of looking at the pics to see where you got that from
     
  18. Stuart B

    Stuart B Registered User

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    Maybe you have a super camera mine's an S9 but my HTC m10 screenshots used to be too big.

    I like zooming into pictures to see if the photographer is a nudist :D
     
  19. badger5

    badger5 www.badger5.co.uk Site Sponsor

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    shame its a crappy gen1 gtx wheel in it
     
  20. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    What’s the difference between the gen1 and gen2 wheel?
    How much would a gem2 wheel be
     
  21. Sandra

    Sandra Administrator Staff Member Administrator Platinum Supporter Audi Main Dealer

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  22. badger5

    badger5 www.badger5.co.uk Site Sponsor

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    one less blade on gen2 as far as I've seen on GTX35
    two less on GTX3076 gen 2
     
  23. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    Are they interchangeable? Il make a few phone calls tomorrow and look into getting one fitted
     
  24. IPG

    IPG Registered User

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    They are. But gen 2 also have gen2 turbines. Not just the comp wheel :)
     
  25. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    That might be an upgrade for the future once it’s up and running
     
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  26. badger5

    badger5 www.badger5.co.uk Site Sponsor

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    gtx35 turbine is identical to the gt35 on the ones I've seen. only comp wheel different.
     
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  27. JonnyDerv

    JonnyDerv Registered User

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    Yep I’m pretty sure on gtx28 the turbine wheel is the same on gen 1 and gen 2, it’s the compressor that’s different so I’d assume the whole range is the same.
     
  28. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    Where would be best place to get the comp wheel
     
  29. JonnyDerv

    JonnyDerv Registered User

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    Maybe Turbo Dynamics or Owen Developments. To be honest I had a gen 1 and then had a gen 2 on my 28 and the difference was negligible in my opinion. Perhaps it’s more noticeable on bigger frames I’m not sure.
     
  30. IPG

    IPG Registered User

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    Lol I have one
     
  31. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    Now that doesn’t surprise me haha was that from rebuild number 1
     
  32. Stuart B

    Stuart B Registered User

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    They are damn expensive 200 odd quid, this really is a measurable £ per pony hobby
     
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  34. IPG

    IPG Registered User

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    Turbo porn.

    7A102411-2B33-44E7-8C6F-A8E0CBA57B4F.jpeg
     
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  35. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    Probably shouldn’t own up to this on here but I bought one off these, for £35 I can always sell on if it’s to chavy
     

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  36. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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  37. IPG

    IPG Registered User

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    hm not sure tbh... its just a shelf decoration at the moment

    lol
     
  38. Stuart B

    Stuart B Registered User

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    What's that for?. Isn't that too small for those v6 setup in any case?
     
  39. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    It’s a splitter, tBh I thought it was The 007 looked at that many I got the Ad mixed with another,
    I never thought about size since there ain’t any specific to the 3.2 and since people running bt with them on here I didn’t even think about it I just thought any would do, will look into it now
     
  40. JonnyDerv

    JonnyDerv Registered User

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    I don’t believe engine capacity has an effect on what size diverter valve etc you use, as long as it has enough vacuum to open the valve. Matching a suitable valve to the turbo size does as obviously a valve that’s too small won’t be able to divert enough compressed air when you close the throttle plate and you’ll end up with compressor surge.

    From the size of turbo I remember you mentioning, a forge supersize valve would be suitable.
     
  41. Tj 0785

    Tj 0785 Registered User Bronze Supporter Silver Supporter VCDS Map User

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    Ok I just looked st them I will go with one of them to be on safe side
     
  42. JonnyDerv

    JonnyDerv Registered User

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    I’m pretty sure Tuffty uses one on his set up
     
  43. badger5

    badger5 www.badger5.co.uk Site Sponsor

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    not a fan of the supersize. can stick. needs 2 x shims plus red spring minimum.
    if on mafless ecu, atmos 50mm bov may be better choice. (wooshy tho)
     

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