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My s3 v6 build

Tj 0785 Oct 5, 2018

  1. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    So not. Sure if I’ve mentioned before I have decided to go 3.2 v6 turbo. Engine is from a 2003 tt with 90k miles. I’m leaning towards keeping the stock intake manifold which will limit power to 500ish bhp but I think it looks better with it on instead of the bare block and a short runner intake, i might change it further down the line but we will see. Turbo wise I’m leaning towards a Garrett gtx35 And off the top of my head a to do list( will be things missing and probably a even bigger list of questions to come)

    Rods
    De compression plate
    All gaskets
    Water pump
    Oil pump
    Tensioner kit
    Engine mounts
    Arp Head bolts
    Oil filter
    Fuel filter
    Fuel pump
    Fuel rail and regulator
    Injectors what size ?
    Exhaust manifold http://pagparts.com/product_info.php?products_id=580
    Turbo. https://www.garrettmotion.com/racin.../gtx3584rs/?utm_campaign=redirect_Day1Garrett or http://realstreetperformance.com/Tu...Turbo-Billet-CEA-6466-900HP-Turbocharger.html
    Wastegate
    Throttle body
    Map sensor
    Oil pressure gauge.
    Boost gauge
    boost controller
    Oil cooler
    FMIC
    Spark plugs
    Turbo
    Turbo oil and water feeds
    Tip
    Blow off valve
    3” downpipe
    3” exhaust
    Custom tip
    Keep both sets of lambda sensors or one set?
    Gearbox
    Clutch
    Standalone ecu
    Wmi
    Power steering pump tt or s3 one?
    Auxiliary belt

    Bodywork
    18” wheels
    Re build rear callipers (got)
    Fit the 18z callipers (got)
    Fit new scuttle panel ( got)
    Front bumper respray
    Finish steering wheel controls (got all the materials thanks to @warren9022 )
    Fit aluminium wing mirrors (got)
    Fit wind deflectors (got)
    Fit new front wing indicator lenses (got)

    God when you list it out it looks like a lot of work and a lot of
     
    Last edited: Oct 5, 2018
    warren9022 and Alex C like this.
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  3. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

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    Can only use one with Ignitron anyway so put a wideband in the downpipe

    <tuffty/>
     
  4. andrew_wright

    andrew_wright Member

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    Will there be enough room for the turbo on that manifold with that 3.2 lump?

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  5. hydro s3

    hydro s3 S3 amk Team Ming Blue Audi S3

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    That is a big list to work threw. Will be interesting to see this take shape.
    Good luck with it.
     
  6. GeorgieS3

    GeorgieS3 Active Member

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    Looking forward to this one
     
  7. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    Should be other people are using that as apparently it’s a good cast manifold and there plenty of biggger turbo build but we will see if not il have to swap manifold
     
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  8. IanPG

    IanPG Well-Known Member Silver Supporter Team Nogaro Blue Audi S3

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    Yay! This is happening?!? Where are the photos? Hehee

    It’s a good list!
    - power steering - keep what's on the loom. My BDE didn't have a power steering pump electric plug - so i used the pump out of the VR6 engine. Looks like the same pump and it's in the same location. its just that the S3 one has some kind of sensor. May or may not be the same on the TT.

    - ECU - plenty of people still running the stock ECU on boost

    - Lambda - code out the post cat ones - stick your AFR sensors in there (one for each bank = 3 and 3)

    - Spark plugs - no more el cheapo BKR7E's for you sir!!!

    - Injectors - big as you can go ! hahahaha

    - What rods are you looking at?

    - What CR you gunna go down to with the plate?

    Looking forward to updates!!!
     
  9. silestanix

    silestanix Member

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    Will be watching this with interest, toying with the idea of throwing a 3.2 in my current AUM'd A3 .
     
  10. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    Won’t be two banks as it will have a 3”downpipe never thought about running the two downpipe n cats but lucifer (same as miltek ) do high flow downpipe and sports cats but not sure if they flow better than a 3”dp would

    Ecu I’m tempted to go standalone and use the ignitron but as you say plenty are useing stock ecu is just how to control the boost and have switchable maps

    Rods plenty of non riffle drilled about but drilled rods are not so easy found probably ie but still looking for a decent deal
    Spacer plate is 3.6mm which I think is something like 8.6:1
    I’ve also decided to do away with the plastic inlet and fit a short runner so won’t be as restrictive.
    It’s going to be slow and as you can expect going to cost a lot of dollars but be worth it in the end (I hope)
     
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  11. IanPG

    IanPG Well-Known Member Silver Supporter Team Nogaro Blue Audi S3

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    Ahhh got you!

    OK now photos ;)
     
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  13. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    I have the 3.2 in the mk5 r32 it is good and sounds mint but I think my stage 1 s3 @248 bhp felt quicker and I prefer to be driving the s3 if it was running
    It doesn’t make sense to do the swap without putting a turbo on it (to me) as a tuned 1.8t will be quicker and cheaper when this is finished the r32 will probably be going
     
    Last edited: Oct 6, 2018
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  14. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    29759977-FCF1-410F-9D9F-ACADF1B33705.jpeg No photos yet just a pile of pieces in the back of the van dropped it all of at a mechanic I know to store it and when I’m back of holiday in a few weeks get the bits for all the internals so hopefully by Xmas the engine is back together and I can start looking at doing all the modifications. I’m going Vegas in April aswel for a stag do but I thought about dropping out as it will be another 3-4K to spend on the car
     
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  15. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    Will definitely be A 3” downpipe was tired last night not thinking straight haha
     
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  16. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    Looking at rods I know there is riffle drilled and non drilled but I’ve seen some with holes at the Sides that are cheaper than riffle drilled I’m guessing they have benefits over non drilled but not as good as riffle drilled anyone used them before
     

    Attached Files:

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  17. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    828931E6-7012-4F19-BE06-B50C68A97816.jpeg
     
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  18. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

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    All non drilled have those holes dude...

    Can't speak for vr lumps (do they have drilled as std? ) but non drilled on 20v engines normally result in small end knock

    If vr engines use non drilled as std then they may well be ok

    <tuffty/>
     
  19. silestanix

    silestanix Member

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    Will take this on board tbh, as mine will still be a daily covering 130 miles a day lol.
     
  20. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    Not sure if they have them as standard but They say on the r32oc that you don’t need riffle drilled when changing them
     
  21. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

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    If they are drilled as OE then you need drilled... Especially on a road car

    <tuffty/>
     
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  22. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    From what I can see online they aren’t drilled been searching eBay for 2nd Hand ones just to see if they are drilled
     
  23. IanPG

    IanPG Well-Known Member Silver Supporter Team Nogaro Blue Audi S3

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    @Tj 0785 they're not drilled - have a look at mine, conveniently packed in a boot box lol


    rod1.jpg

    rod3.jpg

    rod2.jpg
     
  24. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    Cheers I will probably go for non drilled as reading on the r32 they should be ok with no noise and the money save will go to the ignitron I think
     
  25. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    So today I stopped by TPS on the way home from
    Work and ordered a few bits. so far I have got
    Oil pump
    Water pump
    New chains and guides and bolts
    New Sprockets and bolts
    New tensioner
    Sump sealent and plug
    new rocker cover gasket
    Looking to order new oem piston rings and new bearings is there any brand to go for or avoid ? are king racing any good?
    Should I go for journal bearing?
     
  26. IanPG

    IanPG Well-Known Member Silver Supporter Team Nogaro Blue Audi S3

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    I think the OEM 3.6 bearings fit and are coated

    Double check that tho
     
  27. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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  28. IanPG

    IanPG Well-Known Member Silver Supporter Team Nogaro Blue Audi S3

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  29. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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  30. superkarl

    superkarl MAN OF STEEL

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    It’s literally made for that
     
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  31. andrew_wright

    andrew_wright Member

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    I meant in that bay. Engine yes of course

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  32. superkarl

    superkarl MAN OF STEEL

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    Lol so is the engine. They’re standard in Mk4 golfs and TT remember


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  34. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    Last edited: Oct 13, 2018
  35. andrew_wright

    andrew_wright Member

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    What I mean is that engine in that bay with that manifold pointing in that direction and a gt35 attached to it. Was wondering if it would fit.

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  36. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    Looking at main bearing and it got different sizes like +0.25mm or 0.75mm is there any particular size I should be going for ?
     
  37. Stuart B

    Stuart B Well-Known Member

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    blimey... best of luck, I actually got a migraine looking through what you have to do this morning... what with this and the confusion on Ian's thread who already has a V6 and is building another entire engine "for a laugh". there are not enough coffer tables in the world for all the bits and bobs :D
     
  38. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    yeah I don’t think I quite realised how much there is to do but at least I’ve got a plan now just it doesn’t blow up on 1st turn off the key which I’m hoping will be around August
     
  39. superkarl

    superkarl MAN OF STEEL

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    These are for extra clearances but you should be looking for just standard bearings, so 0mm


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  40. IanPG

    IanPG Well-Known Member Silver Supporter Team Nogaro Blue Audi S3

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    Yeah if you know the engine is a runner and no damage was done then Karl is correct.
     
  41. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    I’m told a it was but that it need thechains doing as it was a bit loud but no warning lights so it shouldn’t be that bad
     
  42. IanPG

    IanPG Well-Known Member Silver Supporter Team Nogaro Blue Audi S3

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    why not just do the chains and guides then? skip the bearings etc. if they're still good and relatively low-ish km's?
     
  43. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    I just thought while the engines apart that they would need doing if they don’t il just do the rod bearing
     

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