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  1. #321
    Lee Goodall's Avatar
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    Quote Originally Posted by Andy.B View Post
    I just remembered i have a MAF from one of the newer cars ill include it in the kit just to get you running. But ill have to confirm part no's so i 100% know its the newer MAF.
    That'd be useful, cheers mate.

    I can get the loom swapped and all running before swapping to the TT MAF.
    Last edited by Lee Goodall; 9th June 2009 at 14:20.

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  3. #322
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    Lee , got the same turbo from scroll, any tips on swapping them over.Got your list of parts etc. How long did it take you ? Any difficult parts ? Thks Andy

  4. #323
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    Hi mate,

    No different from fitting any other turbo really. As long as you've got the correct kit and know your way around an engine bay you should be fine.

    Make sure you either replace or give your current oil feed to turbo pipe a good clean. I removed mine and used solvent cleaner until I was certain it was as clean as possible.

    You only need to disconnect the oil drain from turbo to sump at the sump end. Leave it attached to the turbo and remove the turbo with it still attached. It's a right pain to remove from the turbo while still in the car.

    Have you purchased a complete turbo (hot and cold side) or just the cold side to match to your current hot side?

  5. #324
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    Jst cold side , but have exhaust manifold,decat pipe,thermosat to fit also also. Is the turbo easy to do. Seen the video on utube but !!!!. alot to be done this weekend lol

  6. #325
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    I think the whole job was about five hours but I did it over two days.

    The most time consuming part is cleaning the existing hot side and getting it to fit to your new cold side in the correct position; For this you will need a very low profile ring spanner or similar. I actually had to take about 2mm off of a spanner to achieve this.

  7. #326
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    Found a ready supply of Bosch TT MAFs but the injectors seem to be illusive little bleeders!

    Looking for either TT 225 injectors to swap with Docurley or failing that a direct swap for mine that will support 280+HP.. anybody got any ideas?

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    http://www.034motorsport.com/index.php?cPath=24_77

    See whats the ones recomended for the AEB mate

  9. #328
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  10. #329
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    Mark you are a legend!!

  11. #330
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    Anyone looked at injectors from other cars?

    C20LET injectors will be fine upto around 280hp, and so long as the lengths are the same (afaik they are just standard bosch items?) they should work just fine?

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  12. #331
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    And also VXR injectors
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  13. #332
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    Quote Originally Posted by aragorn View Post
    Anyone looked at injectors from other cars?

    C20LET injectors will be fine upto around 280hp, and so long as the lengths are the same (afaik they are just standard bosch items?) they should work just fine?
    I did think that but the only way of knowing for sure would be to test them with the AEB and I was trying to stick to a more pre-tried and tested route.

    Is the only variable height then (and obviously flow)? Surely diameters etc vary between certain injectors?

  14. #333
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    I understand there is different impedence and flow pattern. IE twin or quad

  15. #334
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    Quote Originally Posted by Byzan A4 View Post
    I understand there is different impedence and flow pattern. IE twin or quad
    Yeah this is what I want to be sure of.. I'm trying to identify a similar turbo conversion (power) kit for the AEB to see which injectors are spec'd. Got to be the safest route to take?

  16. #335
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    If your having a custom map then the spray pattern doesnt matter. All you have to do is get a multimeter and measure the ohmic value of the stock injector and find the same ohmic value in another larger injector. Plus you only get either high ohm injectors and low ohm injectors.

    IIRC audi use 14ohm so anything around 14-16ohm would be fine to use and i think my calculations said to use injectors that are 620cc - 640cc.

    I used to do this all the time of my old fords i used BMW M3 injectors for my Fiesta RST. Same injectors as new bosch beiges but just had a black case instead of beige.
    Last edited by Andy.B; 11th June 2009 at 18:03.
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  17. #336
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    630cc are good for over 400bhp.
    I am using them with a 2871, they can be used on 3071 and even 3076 turbos.

    if you are aiming around teh 280-300bhp fuel supply 550cc will be fine.
    my genesis 630's cost me 150 new

    http://cgi.ebay.com/ebaymotors/RC-Fu...527152001r2196

    these ones are a bit steep but plenty out there

  18. #337
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    Quote Originally Posted by jcb View Post
    630cc are good for over 400bhp.
    I am using them with a 2871, they can be used on 3071 and even 3076 turbos.

    if you are aiming around teh 280-300bhp fuel supply 550cc will be fine.
    my genesis 630's cost me 150 new

    http://cgi.ebay.com/ebaymotors/RC-Fu...527152001r2196

    these ones are a bit steep but plenty out there
    LOL i must have screwed up there when i was remembering, now you say it 540cc does ring a bell... It was over a year ago i did the calculations. and those RC ones were the ones i was looking at at the time.
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  19. #338
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    Can i just go back to basics here and repeat a couple of things just to put my mind at rest.
    Firstly why cant i just put the turbo from a 225 TT on my QTS then remap?
    Secondly whats difference between a KO3 and KO3s and can i use the latter?
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  20. #339
    jcb
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    225tt turbo won;t fit. ones transverse and yours is longitudinal engine layout.

    KO3s has a slightly bigger compressor (I think!). TBH there is not much difference, they both flow next to nothing at high revs and work like hot air pumps when pushed hard.

    you can use the Ko3s and it will give you some room to play with so long as it is off an A4 platform. but you will still run out of efficiency around the 250bhp mark.

  21. #340
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    The reason it doesnt fit is the TT225 Turbo's exhaust housing is part of the exhaust manifold, and the orientation it provides when fitted to a longitudinal engine is wrong.

    The k04-023 (TT) is bigger than the K03s and the K04-015, and this can be seen by the fact that a simple remap on a TT is delivering in excess of 260hp, which even the Outlaw turbo Mark has seems to struggle to achieve.

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  22. #341
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    Hmm having said that and done some googling the turbo does look like a seperate bolt on item, and i'm not really sure what the problem is...

    http://i70.photobucket.com/albums/i9...g?t=1240419809

    Thats a image from a cheap ebay copy of a k04-022, now i'd never actually use one of those turbos, however its going to look just like a real one, and the only problem i can see is the compressor housing needs turned thru 180 degrees to point downwards...

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  23. #342
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    I thought the tt would be the same orientation as mine! The reason I ask is the fabricator at work reckons he can make anything fit hence me asking the reasons why it doesn't...
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  24. #343
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    The TT is built on the Golf/A3 platform, so uses a transverse engine.

    I THINK the problem is the flange on the exhaust manifold is slightly different, the gasket is certainly a different part number, which might suggest its a bit larger.

    Its one of those things, any time it comes up people say "it doesnt work" but i dunno just how hard someone has actually tried to fit it, or wether they've just taken one look and ran away because it doesnt quite fit properly.

    You might be able to use the entire TT manifold. It will move the position of the turbo but it might still work, would just require some pipework moved assuming it physically fits in the engine bay.

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  25. #344
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    Quote Originally Posted by jcb View Post
    630cc are good for over 400bhp.
    I am using them with a 2871, they can be used on 3071 and even 3076 turbos.

    if you are aiming around teh 280-300bhp fuel supply 550cc will be fine.
    my genesis 630's cost me 150 new

    http://cgi.ebay.com/ebaymotors/RC-Fu...527152001r2196

    these ones are a bit steep but plenty out there
    Cheers mate,

    Had a good look over the internet and found a few different makes but I think I'll try and get a set of 550cc Genesis as they seem to be rated highly by most tuners.

  26. #345
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    Quote Originally Posted by aragorn View Post
    The k04-023 (TT) is bigger than the K03s and the K04-015, and this can be seen by the fact that a simple remap on a TT is delivering in excess of 260hp, which even the Outlaw turbo Mark has seems to struggle to achieve.
    I think the performance of Marks though is most probably down to the map.. the likes of Jabba would be getting 270 - 280HP I would've thought hence the reason for trying to sort out a conversion to a flashable/more capable ECU. Remember Mark is on standard maf and injectors at present too.

  27. #346
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    Yeah my map is ok, but i think they have maxed out the MAF and injectors TBH. I know my MAF readings are re scaled for deffo. As if i did a MAF g/s reading i would only have 190 bhp,lol.

    It's deffo an option to use the newer ECU and get it retuned by Jabba. I am sure the unit has more to give, But without know exactly what i need to buy it makes things awkward as things are tight and i cannot afford to throw money away. Tho collecting bits over time could be an option

  28. #347
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    I didn't mean that to sound like I was criticizing your map mark by the way. As you've stated your MAF and injectors are most probably at their limit so there's probably not a lot more to gain without upgrading.. didn't want it to sound like I was doubting your tuners abilities

  29. #348
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    Quote Originally Posted by aragorn View Post
    The TT is built on the Golf/A3 platform, so uses a transverse engine.

    I THINK the problem is the flange on the exhaust manifold is slightly different, the gasket is certainly a different part number, which might suggest its a bit larger.

    Its one of those things, any time it comes up people say "it doesnt work" but i dunno just how hard someone has actually tried to fit it, or wether they've just taken one look and ran away because it doesnt quite fit properly.

    You might be able to use the entire TT manifold. It wiull move the position of the turbo but it might still work, would just require some pipework moved assuming it physically fits in the engine bay.
    If it's a case of replacing the TTs flange for mine then easy peasy! Question then is do I need the maf and injectors too. then there's an option of maybe a T3 if there's a manifold available for my engine that I can weld a t3 flange on
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  30. #349
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    have a read of the sticky on the k04
    Last edited by docurley; 12th June 2009 at 14:10.
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  31. #350
    jcb
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    if you use a transverse turbo on a longitudinal engine you better be prepared for a front exit exhaust!

    looking into the engine bay of a golf the downpipe runs right to left from the turbo.
    now imagine your engine side on standing at the passenger front wheel.
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  32. #351
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    Not a lot of room for cats or silencers lol

  33. #352
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    OK so ive had a word with some VW nuts and theyve suggested another method. T28/T3/T4.
    Manifolds are cheap enough, T3s are cheap enough so has anyone any experience of any of these? I think its the way to go with some emeral management. Probably get all that for a grand and although not OE, definitely good stuff...
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  34. #353
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    Personally i wouldnt go emerald unless the standard ECU cant be mapped to suit.

    Audi spent millions mapping all the quirks like cold start, barometric compensation etc into their ECU's and while your remap changes the main fuelling maps, these fine tuning maps are all still OE.

    With an aftermarket ECU, you will NEVER get that level of refinement from a day on a rolling road, even with Dave Walker at the controls. Plus the emerald ECU, loom and a mapping session is around a grand before you've even touched the turbo.

    If it was my car, i'd get a manifold with a T28 (T25?) flange, and fit a T28 from a 200sx s14a. They come up on ebay second hand for a couple hundered quid, and are good for 300hp. Get someone GOOD to map the original ECU, like jabbasport or MRC, and you'll be golden.

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  35. #354
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    I must admit id rather keep the OE wiring/ecu so if it can be mapped to suit then thats good. Why the T28 over the T3?
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  36. #355
    jcb
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    SEM is only for the brave and rich.
    you don't need it.

    T3 is a bigger port
    T25/28 is better suited to the lower (2-300) power level turbos you have in mind.
    gives better low down torque and response but will limit our top end.
    if you plan running a huge bullseye turbo or something to give you over 400bhp after 4500rpm then a T3 is a better option as it allows higher flow

  37. #356
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    No dont want huge power. My mate runs a T3 on his Series 2 and thats 200hp and is a very capable car. T3 manifolds are very easy to come by, T28s dont seem to be. Plus the turbos themselves seem a lot dearer. Do the benefits outweigh the costs?
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  38. #357
    "Stick a V8 in it!"

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    The T3's fitted to escort RS Turbos arent really suited to a 1.8T, they're waay too small, and wouldnt offer anything over the turbo you have.

    You'd be looking for a T3 from a cossie (sierra), or a T28 from a 200sx s14a. Both the cossie and S14a turbo will be good for 300hp, but the smaller T28 will give you the power with much less lag and much smoother delivery. You might also find a T28(sometimes called a T25) from an escort cossie, but once you apply the ford tax and the cosworth tax they'll likely be silly money.

    A very quick google/ebay search shows up some T25 manifolds for the 1.8T, from the US granted, but they range from very cheap to over 300quid. The Gt28RS and similar turbos usually use the T25 flange, and i think for your power goals it will be perfectly adequate.

    http://cgi.ebay.co.uk/Garrett-T28-Tu...QQcmdZViewItem
    Last edited by aragorn; 14th June 2009 at 08:08.

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  39. #358
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    http://www.thsperformance.co.uk/product/VW|Audi_1.8T_GT_Series_T25|28_Flange_THSCMA-18T-T25

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  40. #359
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    So why dont more people do it? Is it fabrication of pipework, or the fact its not OE that puts em off?
    My shopping list is written then. Let the buying commence
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  41. #360
    "Stick a V8 in it!"

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    I'm not really sure mate. I know i certainly wouldnt spend 700 on a k04, when they cant do much more than 230-240hp

    Its probably because they're not just a bolt on part. Things like pipework, oil lines, exhaust etc will all need to be made bespokely, and lets face it, most people just want to pay someone to bolt some parts on to their cars, rather than engineering up a good solution for themselves!

    I recon for the cost of a new k04, you could buy the manifold, a used but good T28, and pay for the remap. An extra couple hundered on oil lines and exhaust fabrication and your done.

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