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    Thread: APR Stage 3+ ....upgrade to GT2871R Turbo?

    1. Member iae21's Avatar
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      11-09-2008 11:48 PM #1
      I just blew my GT28RS turbo from my APR Stage 3+ kit and need to either rebuild this turbo or get a new one. I was thinking about getting an GT2871R .64 A/R with a GT28 housing. I am pretty sure the turbo will bolt right up.

      I know that APR uses this turbo for their Audi TT 225 kits.

      Do I need to change anything else with the kit (Fueling/Timing/etc) besides bolting up this turbo?

      Thanks!


      Modified by iae21 at 10:59 PM 11-9-2008


    2. 11-10-2008 12:41 AM #2
      Yea, you defenitely should change software, go bug APR about TT sw and let me know if you get it, I haven't tried yet tho'

      You would need new injectors, 3bar map sensor, TT stage 3+ sw and GT2871R ( which you can get ...anywhere: http://www.atpturbo.com/Mercha...e=GRT )


      Oh...and an added inline fuel pump or something.


      Modified by mescaline at 8:44 PM 11-9-2008


    3. Banner Advertiser CTS Turbo's Avatar
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      11-10-2008 02:34 AM #3
      whizbang18T did this about 3 years ago to a stage 3, he might be a good guy to talk to.


    4. Banned 20aeman's Avatar
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      11-10-2008 03:07 AM #4
      If they refuse to give you the 2871 software, talk to pag parts about a 3071 t25 and unitronic/eurodyne software.

    5. 11-10-2008 06:00 AM #5
      only thing i can see you should change is your software, injector can pump enogh gas out, apr injectors arrent they 550cc, if so, you will be good with those... but in my view, step it up and throw a 3071 on instead. i have the 2871 on mine and im running 440cc on 4 bar so we are running close to the samme in injector sizes.

    6. Member DK_GTI_racer's Avatar
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      11-10-2008 07:29 AM #6
      Go with a GT2871r, its bolt on and easy to fit - you need to reuse your GT25 housing that APR has modified to fit elbow pipe, but its bolt on after that, and i would contact APR to see if they can load the file from GT2871r stage 3+setup, but it might be to aggresive seeing its made for a 9.0:1 compression - or you could buy uni sw for this setup, or even modifie with lemmiwinks to advantage of the new turbo...fuel supply with 550cc injectors are plenty to make 350-400whp, i believe if you look at igotaprestent4u he lemmi a GT3076r to work with APR stage3+ sw, but he made his own elbow pipe, and also a solution - i my self would go for the GT2871r.
      APR stage 3+ 393bhp & 466nm at 24psi - baby GT2860rs 0,64
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    7. Former Advertiser
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      11-10-2008 07:33 AM #7
      T25 GT3071R with a set of 630's injectors and call it a day...provided you upgrade the rods

    8. Member DK_GTI_racer's Avatar
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      11-10-2008 07:37 AM #8
      Quote, originally posted by DonR@Unitronic.ca »
      T25 GT3071R with a set of 630's injectors and call it a day...provided you upgrade the rods

      Agree on the 630cc, and the GT3071r if you dont mind making a different elbow pipe, but for bolt on the GT2871r can produce quite a bit of fun

      APR stage 3+ 393bhp & 466nm at 24psi - baby GT2860rs 0,64
      APR intake manifold, Aquamist 1s, milltek 2,75" with VES cutout, HGP IC - software by RH motorsport of denmark - EBC with remote and 2 boost settings for high low boost run.
      Goapr if you want your fast to be faster then everyone else
      www.goapr.com, www.inaengineering.com, www.qedpower.com, www.jvk-tuning.dk

    9. Former Advertiser
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      11-10-2008 07:53 AM #9
      Quote, originally posted by DK_GTI_racer »

      Agree on the 630cc, and the GT3071r if you dont mind making a different elbow pipe, but for bolt on the GT2871r can produce quite a bit of fun

      The Comp housing is available for the the GT3071R so it's a direct swap


    10. Member DK_GTI_racer's Avatar
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      11-10-2008 08:00 AM #10
      Quote, originally posted by DonR@Unitronic.ca »

      The Comp housing is available for the the GT3071R so it's a direct swap

      i did not know that, out of curiosity who sells it with that comp housing?ATP, pag or garrett?

      APR stage 3+ 393bhp & 466nm at 24psi - baby GT2860rs 0,64
      APR intake manifold, Aquamist 1s, milltek 2,75" with VES cutout, HGP IC - software by RH motorsport of denmark - EBC with remote and 2 boost settings for high low boost run.
      Goapr if you want your fast to be faster then everyone else
      www.goapr.com, www.inaengineering.com, www.qedpower.com, www.jvk-tuning.dk

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      11-10-2008 08:07 AM #11
      Quote, originally posted by DK_GTI_racer »

      i did not know that, out of curiosity who sells it with that comp housing?ATP, pag or garrett?

      ATP, Pag or CTS.


    12. Member DK_GTI_racer's Avatar
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      11-10-2008 08:49 AM #12
      Quote, originally posted by DonR@Unitronic.ca »

      ATP, Pag or CTS.

      Maybe CTS could chim in on this, because all i cant find is that it comes with same turbine housing, and according to CTS it comes with its own larger compressor housing? its not that im doubting but i have always just tought the only upgrade solution with same flange as APR uses is GT2871r like what you can read on ATP and garretts hp, so knowing a GT30 option is possible would be great news...

      APR stage 3+ 393bhp & 466nm at 24psi - baby GT2860rs 0,64
      APR intake manifold, Aquamist 1s, milltek 2,75" with VES cutout, HGP IC - software by RH motorsport of denmark - EBC with remote and 2 boost settings for high low boost run.
      Goapr if you want your fast to be faster then everyone else
      www.goapr.com, www.inaengineering.com, www.qedpower.com, www.jvk-tuning.dk

    13. Member munky18t's Avatar
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      11-10-2008 09:16 AM #13
      Quote, originally posted by DonR@Unitronic.ca »

      The Comp housing is available for the the GT3071R so it's a direct swap

      reeeeeeally???
      I've only ever seen a gt2871 with the gt25 comp housing
      need more info!!


    14. Former Advertiser
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      11-10-2008 09:31 AM #14
      The GT3071R has the same comp wheel as the GT2871R making it a direct swap.

    15. 11-10-2008 11:05 AM #15
      but honestly i would first bug the hell out of APR for software, they make constant 400hp with gt2871r on VVT engines, something you can't say for any other software available.

    16. Member munky18t's Avatar
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      11-10-2008 11:42 AM #16
      Quote, originally posted by DonR@Unitronic.ca »
      The GT3071R has the same comp wheel as the GT2871R making it a direct swap.

      Same comp wheel, but different housings

      GT2871r w/gt28r style comp housing
      http://www.atpturbo.com/Mercha...e=BCS

      GT3071r
      http://www.atpturbo.com/Mercha...e=BCS


    17. Member iae21's Avatar
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      11-10-2008 01:50 PM #17
      Quote, originally posted by mescaline »
      but honestly i would first bug the hell out of APR for software, they make constant 400hp with gt2871r on VVT engines, something you can't say for any other software available.

      I think that route has already been exhausted by many people on here. I do agree that it makes no sense at all for them to release that software to APR customers that already have a kit and want to build the bottom end up to handle the extra power.

      Although I'd be curious to see if the S/W for the 28RS vs the 2871R would be significantly different. They appear to use the same exact hardware for both kits.


    18. 11-10-2008 04:44 PM #18
      injectors are obviously different, there for sw gotta be different. Significantly? Well, perfection is obviously what you are after if you go that route... or else you can get some of those universal software (uni, tapp etc.)

    19. 11-10-2008 05:13 PM #19
      the apr software works perfectly with my 3076r, increased fueling 5% with lemmiwinks and have 11.9 a/f

    20. 11-11-2008 01:05 AM #20
      whats spool times on that setup

    21. 11-11-2008 04:20 AM #21
      Quote, originally posted by igotaprestent4u »
      the apr software works perfectly with my 3076r, increased fueling 5% with lemmiwinks and have 11.9 a/f

      Your software and injectors are very different from latest versions they are selling. There just isn't enough fuel to support anything bigger than GT28RS probably...


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      11-11-2008 08:30 AM #22
      Quote, originally posted by mescaline »

      Your software and injectors are very different from latest versions they are selling. There just isn't enough fuel to support anything bigger than GT28RS probably...

      Very true. The "old style" injectors flow a lot more than the 510cc of fuel that the gray Bosch ones deliver.

      Howto's, info, etc:
      http://www.izvw.com

    23. 11-11-2008 09:13 AM #23
      you can run on 630's with the "newer software" get the duty cycles down and run a bigger turbo. Idle is lumpy though

    24. 11-11-2008 09:21 AM #24
      Quote, originally posted by nowalk »
      whats spool times on that setup

      25psi right around 4400revs.


    25. Member iae21's Avatar
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      11-12-2008 10:27 AM #25
      Would a GT2871R from an APR Stage 3+ kit for an Audi TT bolt right up to my kit without any other mods?

    26. 11-12-2008 10:29 AM #26
      Quote, originally posted by iae21 »
      Would a GT2871R from an APR Stage 3+ kit for an Audi TT bolt right up to my kit without any other mods?

      From apr stage 3+ for tt 225hp, no...but you can get one that will. Check out ATP link i gave you.


    27. Forum Sponsor AL@PagParts.com's Avatar
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      11-12-2008 11:35 AM #27
      Quote, originally posted by iae21 »
      Would a GT2871R from an APR Stage 3+ kit for an Audi TT bolt right up to my kit without any other mods?

      I've done this for numerous ppl upgrading to the 28R style cover. There are some differences in the cover and mounting spots on the 2871R w/ 28r style cover. You're in NY, if you want, I can help. If you want the even the 3071r 56trim comp wheel in your housing (augmented to fit) w/ appropriate turbine housing, no problem...

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      11-12-2008 11:39 AM #28
      Quote, originally posted by AL@PagParts.com »

      I've done this for numerous ppl upgrading to the 28R style cover. There are some differences in the cover and mounting spots on the 2871R w/ 28r style cover. You're in NY, if you want, I can help. If you want the even the 3071r 56trim comp wheel in your housing (augmented to fit) w/ appropriate turbine housing, no problem...

      How much will using the 28R style housing effect spool time if at all?

      Howto's, info, etc:
      http://www.izvw.com

    29. Forum Sponsor AL@PagParts.com's Avatar
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      11-12-2008 11:45 AM #29
      Quote, originally posted by IzVW »

      How much will using the 28R style housing effect spool time if at all?

      With these turbos, not at all. The 28R housing is just a flanged up version of the standard t04B GT style housings. .60ar. Internally, its the same as can be found in the 2871r and 28rs housing. Inlet style is different of course, but all in all very similiar

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      11-12-2008 11:48 AM #30
      Quote, originally posted by AL@PagParts.com »

      With these turbos, not at all. The 28R housing is just a flanged up version of the standard t04B GT style housings. .60ar. Internally, its the same as can be found in the 2871r and 28rs housing. Inlet style is different of course, but all in all very similiar

      Oh Al, why must you tempt me so.... lol

      It's good to hear that it's an option for people with the Stage 3 kits looking to upgrade, thanks for the information!

      Howto's, info, etc:
      http://www.izvw.com

    31. Forum Sponsor AL@PagParts.com's Avatar
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      11-12-2008 11:50 AM #31
      Quote, originally posted by IzVW »

      Oh Al, why must you tempt me so.... lol

      It's good to hear that it's an option for people with the Stage 3 kits looking to upgrade, thanks for the information!

      Hehe, just dishing out the info. Like I said, there is some work to make it all fit, but it is very possible. I think I've done more turbo upgrades on APR setups then APR themselves

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    32. 11-12-2008 12:02 PM #32
      An off the shelf 2871 should have no problem with changing the inlet pipe.

      Here is my 3076r setup that was modifyed from my stage3+ setup. I have more pics if you would like to reference any.


    33. 11-12-2008 12:09 PM #33
      Zach when are you ready to switch to an external WG?

    34. 11-12-2008 02:32 PM #34
      Quote, originally posted by AL@PagParts.com »

      With these turbos, not at all. The 28R housing is just a flanged up version of the standard t04B GT style housings. .60ar. Internally, its the same as can be found in the 2871r and 28rs housing. Inlet style is different of course, but all in all very similiar

      "with these turbos"....including gt3071r?


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      11-12-2008 02:36 PM #35
      Quote, originally posted by mescaline »

      "with these turbos"....including gt3071r?

      [QUOTE=mescaline]

      yep, including 3071r. already done them in custom fashion...

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