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    Thread: TT RS Rear Sway Bar...

    1. Member
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      08-17-2011 11:15 PM #26
      Quote Originally Posted by DrDomm View Post
      Neuspeed told me they knew it would rub. They aren't sure if they will make an RS bar. I hope so.
      Do they know what the reason is for the change in dimensions down there (what'd Audi change on the TT-RS)?

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      01-21-2012 04:44 PM #27
      Hey DrDromm, did you solve your sway bar issues? I hear H&R makes a compatible bar, but I haven't found confirmed evidence of a well-fitting bar for the TT-RS.

    3. Member bigstu's Avatar
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      01-23-2012 07:37 PM #28
      The model number for the 24mm front and 22mm rear H&R sway bar kit for the TT-RS is: 33220-2

      I haven't really tried to get these yet, but was told that emailing export@h-r.com may help. Otherwise contact your normal H&R dealer and ask if they can get this part number. When you search, it only comes for overseas dealers.

    4. Member AppleChilli's Avatar
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      01-23-2012 08:14 PM #29
      Subscribed. Very good flow of information here. Sorry to hear about your difficulties DrDomm.
      2012 Daytona TT-RS / Tech / ASM Recaro Advanced SR-7 / Alcantara / HRE C93 9.5 x 19 Brushed Polished and staggered.

    5. Member dogdrive's Avatar
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      01-23-2012 09:01 PM #30
      I spoke to a H&R rep sometime last week.
      He mentioned that they really don't have anything for thge RS at this moment.
      He suspected it probably won't be until another 6 months from now when they do a press release on TT-RS suspension parts...

    6. Member
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      01-23-2012 11:19 PM #31
      Quote Originally Posted by dogdrive View Post
      I spoke to a H&R rep sometime last week.
      He mentioned that they really don't have anything for thge RS at this moment.
      He suspected it probably won't be until another 6 months from now when they do a press release on TT-RS suspension parts...
      The question is, does the H&R rear bar for the regular Mk2 TT fit the TT-RS (since it has a different Haldex shape).

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      01-24-2012 09:05 AM #32
      Quote Originally Posted by AppleChilli View Post
      Subscribed. Very good flow of information here. Sorry to hear about your difficulties DrDomm.
      I'm ok I actually sold that bar to someone here. I was hoping Neuspeed would just modify the bar they sell, so that it will fit TT/TTS/TTRS.
      2015 Brilliant Black Q5
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    8. Junior Member
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      01-24-2012 11:27 AM #33
      Shox.com supplied the H&R sways to me!

    9. Member bigstu's Avatar
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      01-24-2012 11:40 AM #34
      Did you buy H&R model number 33220-2 from shox.com?

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      01-24-2012 01:04 PM #35
      includes the 24mm frt and 22 mm rear. Both are 2 hole adjustable. Going on my TT RS with H&R lowering springs P/N 29102-2 - .7 inch drop.Also have the adjustable drop links from 034 Motorsport. These will allow the install w/o any preload on the rear bar.I you preload the rear bar your car will be bouncy!

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      01-24-2012 01:38 PM #36
      Quote Originally Posted by DesertTTRS View Post
      includes the 24mm frt and 22 mm rear. Both are 2 hole adjustable. Going on my TT RS with H&R lowering springs P/N 29102-2 - .7 inch drop.Also have the adjustable drop links from 034 Motorsport. These will allow the install w/o any preload on the rear bar.I you preload the rear bar your car will be bouncy!
      Have any pics of the rear bar? As for the front bar, this car doesn't need any more under steer.

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      01-24-2012 10:03 PM #37
      that 5 mm differential. Actually playing with the adjustments - stiffer rear vs soft frt will yield less understeer than non-adjustable stock bars. One key here is not preloading the sway bars. I've set up suspension on V8 S4's,Porsches,RS4 etc and find that a properly set up set of bars is always better than a single bar.Bars are still in package .

    13. Member GaBoYnFla's Avatar
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      01-25-2012 08:46 AM #38
      Quote Originally Posted by Marty View Post
      Have any pics of the rear bar? As for the front bar, this car doesn't need any more under steer.
      Do them both for balance with larger or equal in rear. I have the Neuspeed setup in the TTS....it's balanced not understeer....and flat. How much heavier is the 5 cyl than the 4 cyl? You might want a bigger rear if the weight difference is significant?
      Current: 2015 Audi TT S Competition Package
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    14. Member
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      01-25-2012 06:39 PM #39
      Quote Originally Posted by DesertTTRS View Post
      that 5 mm differential. Actually playing with the adjustments - stiffer rear vs soft frt will yield less understeer than non-adjustable stock bars. One key here is not preloading the sway bars. I've set up suspension on V8 S4's,Porsches,RS4 etc and find that a properly set up set of bars is always better than a single bar.Bars are still in package .
      Keep in mind that the torsional stiffness of a bar is proportional to the 4th power of its diameter. So a bar that is twice the diameter is actually 16 times stiffer in torsion.

      Assuming the stock bars are 19mm front / 17mm rear, then the ratio of REAR bar stiffness to front bar stiffness is (17/19)^4 = 64%.

      For the H&R bars of 24mm front / 22mm rear, the ratio of rear bar stiffness to front bar stiffness is (22/24)^4 = 71%.

      So swapping in the H&R bars makes the rear bar to front bar stiffness ratio a little bit larger, but not dramatically so.

      However, if you keep the stock 19mm front bar and just add a 22mm rear bar, then the stiffness ratio is (22/19)^4 = 180%, which is a huge increase in ratio.

      These calculations neglect adjustable moment arm lengths on the adjustable bars, but you get the point.

      If only the rear bar is being changed, then I have a feeling that jumping up to 22mm might be too much.

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      02-07-2012 03:43 PM #40
      Desert,
      Do you find a big benefit of the aftermarket end links with aftermarket bars? Some questions about the end links:

      - How are they adjustable? I presume it's the end socket which appears threaded in the pics.
      - What is your set point? Do you just drop it until there is no tension on the bar, or do you have to drive it around and play with different settings?

      Hanging around this board is not good for my wallet. ARB was a given, but now I'm thinking about torque inserts and end links and all kinds of crazy talk!
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      02-07-2012 06:35 PM #41
      Quote Originally Posted by Marty View Post
      If only the rear bar is being changed, then I have a feeling that jumping up to 22mm might be too much.
      Most of us did just the Neuspeed RSB on the TTS. That was 25mm. No matter what size rear bar, this thing will still have some understeer...which is fine.
      2015 Brilliant Black Q5
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    17. 05-04-2012 07:45 PM #42
      Sorry to bump this up, but we have a little something in the works for you guys...

      034Motorsport Audi TT RS & Audi RS3 Adjustable Solid Rear Sway Bar

      • 362% Increased Sway Bar Rate
      • 22.25mm Diameter
      • Solid Spring Steel Construction
      • 3-Way Adjustable
      • Easy-to-Lubricate Sway Bar Bushings




      Clicky!

    18. Member
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      05-04-2012 11:30 PM #43
      Awesome.

      Have already got your end links - will go pre-order this now!
      Last edited by jibbed; 05-04-2012 at 11:38 PM.
      2010 Audi TTRS (6spd)
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    19. Member
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      05-04-2012 11:39 PM #44
      Nuts... Quoting $600 for shipping to .AU via USPS

      Have pinged you via your contact me form on your website. If you could get back to me that would be great!
      2010 Audi TTRS (6spd)
      Options - 19's titanium blades, Mag Ride, RS Seats, Bose, Extended Leather, AMI, SatNav, Xenons
      Mods Milltek Exhaust, Wagner Intercooler, APR Stage 2 ECU, MSS Spring Kit, DaveB AP Rotor Kit, Endless Pads Front/Rear, 034 Motorsport RSB & drop links

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      05-05-2012 01:40 PM #45
      Pretty awesome! Why not do 25mm, as the TTS Neuspeed bar? Just curious.
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    21. Member
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      05-06-2012 02:51 AM #46
      Quote Originally Posted by DrDomm View Post
      Pretty awesome! Why not do 25mm, as the TTS Neuspeed bar? Just curious.
      362% not enough of a stiffness increase?

    22. Member GaBoYnFla's Avatar
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      05-06-2012 07:38 AM #47
      Quote Originally Posted by DrDomm View Post
      Pretty awesome! Why not do 25mm, as the TTS Neuspeed bar? Just curious.
      I thought someone tried one here and it hit a transfer case?
      Current: 2015 Audi TT S Competition Package
      Xpel clear bra, Gtechniq all over, H&R Sport Springs, H&R front and rear bars.
      Past: 2011 Audi TT S, Black on Black
      Remember: Imran Khan lives with his Dad and Mom!

    23. Member
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      05-06-2012 08:48 AM #48
      Quote Originally Posted by Marty View Post
      362% not enough of a stiffness increase?
      Well what's the increase on the 25mm Neuspeed bar? I don't know. If it's 400%, then based on my impressions on the TTS, 362% might not be enough.

      Anyway, I think there is already another 22mm bar on the market. H&R?
      2015 Brilliant Black Q5
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    24. Member
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      05-06-2012 08:49 AM #49
      Quote Originally Posted by GaBoYnFla View Post
      I thought someone tried one here and it hit a transfer case?
      That was me. A slight modification in the bend, and 25mm would work fine.
      2015 Brilliant Black Q5
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    25. 05-07-2012 04:06 PM #50
      The 362% is not a typo. The 034Motorsport Audi TT RS & Audi RS3 Adjustable Solid Rear Sway Bar is solid, not tubular, like some other bars on the market.

      The Neuspeed TTS bar, while 25mm in diameter, is hollow, and about half as stiff as our solid rear bar is: http://www.neuspeed.com/131/2/0/1649...-bar-25mm.html

      It also does not fit the TT RS.

      Our bar was designed specifically for the Audi TT RS, and to be used without any need to replace the front sway bar. It virtually eliminates body roll, and allows the car to rotate if desired.

      It drastically changed the handling characteristics of our TT RS for the better, and has seen street and track testing.

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