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  1. #1
    Gavin Cooper's Avatar
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    My 350bhp S3 upgrade (finally!)

    After two years of contemplating i've finally gone for my 350bhp turbo upgrade. well almost....

    I'll let you guys know how i get on! Pockets are a lot lighter now...

    Car doesn't go in until 21st at Backdraft!!! I've gotta wait all that time!! arghhh!!!

    350bhp at 6,400 rpm
    332 ft lb at 5,030 rpm

    Garrett GT2860RS
    custom cast manifold
    stainless steel charge, inlet and 3" down pipe
    4 bar fuel pressure regulator
    new haldex
    hi-flow sport Cat
    uprated FMIC
    Brembo GT brakes

    The kit runs on standard engine internals and standard jets? How?

    Thoughts...anyone...stupid/crazy?? Advice is appreciated!

    Thanks
    Last edited by Gavin Cooper; 1st July 2007 at 18:15.
    S3 (01) \330bhp & 332 ft lb

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  3. #2
    nick-barnes07's Avatar
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    how much did that all cost you ,

  4. #3
    voorhees's Avatar
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    Sounds good...are you upgrading your con rods?
    Stealth put the eliminator on a S3 last christmas and the bloke said no to spending more money on con rods and they broke!

  5. #4
    Ballcrusher's Avatar
    NO CAT JUST 3" STRAIT THREW

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    whos doing the work for you fella ?

  6. #5
    CLS3's Avatar
    Every penny goes on the Audi!!

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    ooooh I would say 350 is right on the limit for the internals to cope. Good luck!
    Audi S3 Nogaro Blue - Brembo GT Brake Kit, Milltek Cat-back Exhaust, Neuspeed ARB's Front 22mm Rear 19mm, Forge Motorsport TIP, Hyperboost Rercirc DV, Aero Wipers, Leon Cupra R Front Splitter, Aluminium Mirrors, Black RS4 wheels with Toyo T1R's, H&R and Forge Motorsport Wheel Spacers!!

  7. #6
    6th Gear

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    why the new haldex? is yours broken?

    whats been done/ being done about the handling? It sounds lethal on standard setup!


  8. #7
    Gavin Cooper's Avatar
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    Cheers for the comments guys - all good stuff....

    1. The cost for the lot is 7k
    2. Conrods - arghh now i'm scared....will ask about this! I heard it might be needed around 350bhp
    3. Backdraft Motorsport is doing the work
    4. Haldex - no it isn't broken but a few people tell me it is a worthwhile/cost effective mod that improves the handling - especially when increasing the power.
    5. Suspension is next on the list...next month - goodbye to pocket money

    Thanks,
    G
    S3 (01) \330bhp & 332 ft lb

  9. #8
    voorhees's Avatar
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    conrods 450 I think!? better havin them done gavin

  10. #9
    Defratos's Avatar
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    Quote Originally Posted by Gavin Cooper
    Cheers for the comments guys - all good stuff....

    1. The cost for the lot is 7k
    2. Conrods - arghh now i'm scared....will ask about this! I heard it might be needed around 350bhp
    3. Backdraft Motorsport is doing the work
    4. Haldex - no it isn't broken but a few people tell me it is a worthwhile/cost effective mod that improves the handling - especially when increasing the power.
    5. Suspension is next on the list...next month - goodbye to pocket money

    Thanks,
    G
    7k? most guys around here have done the same convesrion for around 4k?
    2002 S3 BAM | Jabba Re-Map | Uprated Haldex | Koni adjustable coilovers | Neuspeed ARBs | Powerflex Bushes | ECS tie-bars | Dog bone | Eibach spacers | TTDA | T'Dynamics DV | Dieselgeek short shift | Toyos | MIJ Custom Exhaust | Sound system | Security Tints |

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  11. #10
    6th Gear

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    aah, you mean a new haldex controller. Thats fair enough.

    Personally, I'd be doing the suspension, ARB's, tie bars and brakes before any of that work.

    make sure that MAF and DV are changed as a matter of course.

    Also depending on mileage, make sure water pump, tensioners, can belt and oil pump are ready for the extra punishment.

    suprised injectors aren't on the list.


  12. #11
    Gavin Cooper's Avatar
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    Sounds like a waste!

    4k that's sounds too good to be true! - who did the work? and how did they manage to get it so cheap? Did they do work themselves? and does that includes all the parts listed?

    Sounds like I'm being ripped off ...would really appreciate feedback before I waste a load of money!

    New garrett turbo GT2860, race crafted manifold, TIG welded hand finished stainless steel charge, inlet and down pipes, hi-flow CAT back inc all fitting and labour 4k

    Forge FMIC + fitting 950
    Haldex + fitting 645
    Brembo GT brakes front and EBC brake kit rear + fitting 1450

    Thanks guys!
    G
    S3 (01) \330bhp & 332 ft lb

  13. #12
    S3IZZO
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    I've heard anything above 330bhp you'd want to upgrade engine internals, I wouldn't feel safe running standard internals with that much boost!

  14. #13
    2nd Gear

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    i paid about £4k for ihi conversion on my old golf. at 350bhp, i'd do internals. be worried every time i drive else

  15. #14
    Gavin Cooper's Avatar
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    Just for clairty - the turbo upgrade on its own inc all labour is 4K.

    What makes it up to 7k is all the other stuff I'm getting done at the same time...

    G.
    Last edited by Gavin Cooper; 8th July 2007 at 19:21.
    S3 (01) \330bhp & 332 ft lb

  16. #15
    6th Gear

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    Surely the outright power is not the issue with rods, its the torque that kills the rods?

  17. #16
    hud at ye bam

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    Quote Originally Posted by simch
    Surely the outright power is not the issue with rods, its the torque that kills the rods?
    I think they both come into play. Its around 350bhp and 330lbs/ft that you need to start thinking about the internals. Some go higher, and good luck to them, but its a bit of an expensive risk.

    But I'd be more worried about putting the car in the nearest ditch. Uprated suspension and brakes are a much wiser investment than a big turbo.
    [/sarcasm]

  18. #17
    D-Tech Performance's Avatar
    D-Tech Performance - Dom

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    Quote Originally Posted by ChriS3
    I think they both come into play. Its around 350bhp and 330lbs/ft that you need to start thinking about the internals. Some go higher, and good luck to them, but its a bit of an expensive risk.

    But I'd be more worried about putting the car in the nearest ditch. Uprated suspension and brakes are a much wiser investment than a big turbo.
    seconded on all counts...


  19. #18
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    Best keep mine turned down a bit then!! !lol!

    I know the revs are liked by the two piece valves, but considered the S3 to be potentially so much stronger than the stock 1.8t, did not think a simple BT would ever get close to killing it.
    There are a fair few stock 18ts out there running about on BTs . Maybe an accident waiting to happen??

    But the backdraft people insist their disco potato will work on a stock unmodded 225 etc motor, even using stock injectors and coolers...?

    Woudl they offer this conversion if there was a risk of it all going wrong? Or are their power claims a a bit ambitious...?

  20. #19
    Gavin Cooper's Avatar
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    Been down to Castle Combe this weekend and seen Backdraft's Audi TT race car that uses the same custom manifold and BT conversion that's going in my S3 next week.

    I asked again about upgrading conrods etc... and thier race car has been running 350bhp on all standard internals with no probs. They've done this kit for quite a few S3 now, again, with no problems.

    Apparantly unlike the bolt-on Eliminator kit, Backdraft's custom cast manifold allows the turbo to flow easier without putting the pressure on the engine, which you get in the aforementioned kit.

    Having said all that - I think it would be worth the cost just for piece of mind...

    G
    S3 (01) \330bhp & 332 ft lb

  21. #20
    edward_harris's Avatar
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    i had the rods fitted in mine. mines runnig about 360bhp, the pistons can take about 400bhp but if you keep pushing the car the standard rods will snap! have them done. Also you need a front mount intercooler. the twin side ones are not enough to keep that turbo on song for long!

    Xbox online id - supaed133

  22. #21
    www.badger5.co.uk

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    its going be be eating into component margin running 350bhp level on stock internals.. If your on 20mm pin rods then all the better.

    I ran on stock ibiza AYP internals for 35K miles on 340+bhp but always had in mind "what if"

    Also had a mk4 Golf running hybrid turbo and 390bhp, which dropped a valve on me and totally destroyed the motor & turbo. It had pauter rods, which were some of the few items salvagable afterwards.

    Valves are a serious consideration if you lift the lid on it at some point.

    My current ibiza motor produces 550bhp+ on its uprated valves, since Oct 2005. (race car, race use, so extreme duty)

    4wd and this power will feel ace...
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  23. #22
    voorhees's Avatar
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    Quote Originally Posted by badger5
    its going be be eating into component margin running 350bhp level on stock internals.. If your on 20mm pin rods then all the better.

    I ran on stock ibiza AYP internals for 35K miles on 340+bhp but always had in mind "what if"

    Also had a mk4 Golf running hybrid turbo and 390bhp, which dropped a valve on me and totally destroyed the motor & turbo. It had pauter rods, which were some of the few items salvagable afterwards.

    Valves are a serious consideration if you lift the lid on it at some point.

    My current ibiza motor produces 550bhp+ on its uprated valves, since Oct 2005. (race car, race use, so extreme duty)

    4wd and this power will feel ace...
    550!!!!!!!!!!!!!!!!!!!!!!!!!!!! plus

  24. #23
    Gavin Cooper's Avatar
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    thanks guys for the info.

    I'm getting a Forge FMIC installed at the same time as the turbo and brakes.

    Will get the rods done as well (probably in a month or so, need to save up some cash!!!)

    If you wanted to take the s3 past 350bhp , assuming rods were done as well - which turbo / route would be most advisable and who would be best suited to complete the job?

    G
    S3 (01) \330bhp & 332 ft lb

  25. #24
    voorhees's Avatar
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    I am not an expert but was told the gearbox might hold back if your pushing for 400 it just depends how hard you drive it when you get it up to that spec
    Vince at Stealth gave me the info so its not pap

    http://www.greydevilindustries.com/p...t.asp?id=20424
    upgrade
    Last edited by voorhees; 19th July 2007 at 21:17. Reason: clicky for upgrade

  26. #25
    Reverse Gear

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    Quote Originally Posted by Gavin Cooper
    Been down to Castle Combe this weekend and seen Backdraft's Audi TT race car that uses the same custom manifold and BT conversion that's going in my S3 next week.

    I asked again about upgrading conrods etc... and thier race car has been running 350bhp on all standard internals with no probs. They've done this kit for quite a few S3 now, again, with no problems.

    Apparantly unlike the bolt-on Eliminator kit, Backdraft's custom cast manifold allows the turbo to flow easier without putting the pressure on the engine, which you get in the aforementioned kit.

    Having said all that - I think it would be worth the cost just for piece of mind...

    G
    I would check this thread first and the others regarding Backdraft on the
    TT forum,

    http://www.tt-forum.co.uk/ttforumbbs...r=asc&start=10

    Read it all the way through there is some interesting stuff, if you do a search for backdraft on the tt forum also there is some other threads worth a read

  27. #26
    5th Gear

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    Personally i think if your going to change the rods you would want to go for a turbo that can produce more than a ihi vf34 or gt28rs.If i were to do it again i would definetly not use a ihi vf34.
    Beware the Standard Yellow Banana!!

  28. #27
    www.badger5.co.uk

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    Quote Originally Posted by Gavin Cooper
    thanks guys for the info.

    I'm getting a Forge FMIC installed at the same time as the turbo and brakes.

    Will get the rods done as well (probably in a month or so, need to save up some cash!!!)

    If you wanted to take the s3 past 350bhp , assuming rods were done as well - which turbo / route would be most advisable and who would be best suited to complete the job?

    G
    depends on where you are going from..
    be it garrett or ihi based kit etc, t25 or t3 etc

    if ihi, owens do a bolt on gt30/ihi hybrid which can do 440bhp
    if garrett, skys the limit, depending on what manifolds there.... but pushing for higher bhp you may need to consider external wastegate. GT30R(3076) etc

    equal length tubular's are the high end performance and budget generally.

    goals and budget 2 main questions
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  29. #28
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    my opinion,
    Standard internals/+ rods i would use td05h 18g with the bigger exhaust housing and small td06 compressor housing should see 380-400bhp
    vf34 with/without p20 housing is only good for 340bhp absolute max even latest vf36/37(bigger than vf22) is only good for 360bhp absolutely maxed out.gt28rs is only good for 340bhp and is similar power ouput to vf34 with slower spool.
    Now for a "real turbo" big budget either gt3076r and tubular manifold and some decent cams/headwork with other associated mods...500+bhp. For the real animal although may be too laggy gt35 with a stroker 2.0 600bhp+
    Beware the Standard Yellow Banana!!

  30. #29
    Gavin Cooper's Avatar
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    Cheers guys - thanks for the info. It's something to consider when I get bored with the new BT upgrade.

    Car went in to today drove from Bristol to Milton Keynes...narrowly avoided the floods and traffic chaos. Set off at 6:45am and got back at 6:00pm...6 hours...in an astra

    It was hard leaving the s3 behind...borrowed a 306 for 2 weeks until I get it back...

    2 weeks to go...
    S3 (01) \330bhp & 332 ft lb

  31. #30
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    if i'm not mistaken a gt2860 is a gt28rs,get your internals done and chuck on a gt3071r or gt3076r 450-550bhp.
    Beware the Standard Yellow Banana!!

  32. #31
    Gavin Cooper's Avatar
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    Just spoke to Backdraft yesterday - all the turbo kit is now on, along with the brakes, intercooler, dv, panel filter and performance haldex controller.

    Just waiting for new breather hoses which were found to be clogged and new brake servo hose as it was split.

    The longest 2 weeks ever!!
    S3 (01) \330bhp & 332 ft lb

  33. #32
    Gavin Cooper's Avatar
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    YEH!!! Got the car back - bjesus it's FAST! And improved handling with the performance haldex...

    I love it!! Lucky me!!!
    S3 (01) \330bhp & 332 ft lb

  34. #33
    MikeA3's Avatar
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    pics - vids?
    S3 AMK
    Bilstein B8's & Eibach Springs, Neuspeed ARB's (22mm front & 19mm rear).

    Badger 5's Machined Discs with DS2500 pads & HEL braided lines.

  35. #34
    Gavin Cooper's Avatar
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    Last edited by Gavin Cooper; 16th August 2007 at 21:24.
    S3 (01) \330bhp & 332 ft lb

  36. #35
    mattfinn's Avatar
    Smoking is good for you

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    Nice!

    Money well spent I take it??!!

  37. #36
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    Imthegod

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    Sounds nice mate! Have you got any pics of the car from the front showing the intercooler? Get some more vids put on!
    Are you happy with it?

    Nick Light

  38. #37
    Gavin Cooper's Avatar
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    more vids on the way this w.e....
    will try and use a decent video camera for better picture/sound quality...

    yeh I love the upgrade, money well spent...great power all the way to 6000rpm....and it sounds awesome, even with standard exhaust...although Supersprint on the way next...

    I overtook one of the NEW 2007 BMW 355i twin turbos the other day...BIG smile on my face...not on his....

    Last edited by Gavin Cooper; 16th August 2007 at 20:58.
    S3 (01) \330bhp & 332 ft lb

  39. #38
    Defratos's Avatar
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    I can't see anything
    2002 S3 BAM | Jabba Re-Map | Uprated Haldex | Koni adjustable coilovers | Neuspeed ARBs | Powerflex Bushes | ECS tie-bars | Dog bone | Eibach spacers | TTDA | T'Dynamics DV | Dieselgeek short shift | Toyos | MIJ Custom Exhaust | Sound system | Security Tints |

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  40. #39
    Gavin Cooper's Avatar
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    FMIC in situ

    S3 (01) \330bhp & 332 ft lb

  41. #40
    2nd Gear

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    Any problems to speak of so far Gavin? Or has it been a trusty conversion?

    You did have the conrods changed didn't you.
    Work commute:
    Honda CBR 1000RR
    169 kg & 170 bhp - eeek!

    Backdraft Big Turbo Silver S3, Supersprint, Eibach lowered, QST rear tiebars, SPA boost gauge Sold
    Lotus Elise 111R also Sold

    Wanted: Honda powered Lotus Elise S2

 

 
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