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Just fitted an RS4 Rear Sway Bar - WOW!

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by Richardesty, Jul 4, 2009.

  1. jdp1962

    jdp1962 Grumpy Old Moderator
    Staff Member Moderator Audi S4

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  3. A4_MaJiK

    A4_MaJiK Azeem

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    Added this onto the to do list for this year...:respekt:
     
  4. AudiB7Jay

    AudiB7Jay Member

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    i think I agree, apart from I'm not confident with fixing my audi xD I don't want to break it xD fancy helping me out? Also is there a front arb too?
     
  5. Purdy99

    Purdy99 Member

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    Reading the whole thread i think someone mentioned that most of the Front ARB's are the same size, but i'm not going to confrm that lol, as for fitting it, it is a pretty easy job you cant really go wrong... altho.. sometimes it does lol
     
  6. jdp1962

    jdp1962 Grumpy Old Moderator
    Staff Member Moderator Audi S4

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    You don't need to change the front anti-roll bar. The front bar is the same for all models. Keep in mind that increasing rear roll stiffness reduces understeer. So it follows that increasing front roll stiffness (by fitting a thicker front bar) would have the opposite effect.
     
  7. AudiB7Jay

    AudiB7Jay Member

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    Currently I'm on stock sline running gear n tbh it's very sloppy, I'm hoping to fit these coil overs but while I'm there may aswell do arb's at the same time I guess?
     
  8. robotplant

    robotplant Member

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    Seems like this needs to be done! I will check the drop links this weekend to see whether I need new ones or not. Will post with results when fitted also
     
  9. Tolak

    Tolak Member

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    Being old-fashioned, I think of ramps as being the wedge shaped metal frameworks that cause teh wheels to continue to support the weight of the vehicle, but approx 10" above the ground.
    And the original hydraulic ramps are moving "wheel tracks" that can be raise many feet into the air.
    Can you not use either of these to install the RARB, or will I *have* to get the car on the ground to bounce the suspension to settle the mounts before completing the clamp tightening?

    A hoist, however, may allow the wheel to be hanging free, as is needed for many servicing operations (but not this one)
    Obviously, if you let the wheels hang down, then the shape of the ARB is extended slightly (end to end), and so cannot be fitted without excessive force.

    I'm surprised about the comment about the bush sizes; too much sticking and there will be residual lean, but too slack, and the roll-resistance will be decreased. So fitting the "A" bushes to the 22mm ARB might be slightly sticky, and will be worst when initially fitted, and will only wear into a "better" more nominal state. Of course, fitting the right "D" bushes to the 22mm ARB will have the right level of "give" to reduce vibration, etc.
     
    #128 Tolak, Oct 4, 2013
    Last edited: Oct 4, 2013
  10. Tolak

    Tolak Member

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    #129 Tolak, Oct 4, 2013
    Last edited: Oct 4, 2013
  11. rhinoman

    rhinoman Member

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    Love the difference it made to my cab.
     
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  12. Tolak

    Tolak Member

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    Thanks for the reply.
    I will put this on the list; :) yet more card pain! :(
     
  13. Big Al

    Big Al A4 B7 bits for sale!!

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    I recommend the RS4 RARB too, see my build thread for details, part numbers, costs & photos.
     
  14. itsmeagain

    itsmeagain 1.8T Sport Cabriolet

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    I fitted one to my cab and it made such a difference. For the cost it's a good modification to do.
     
  15. Steve77

    Steve77 Member

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    Got mine in today to get this done. Can't wait to get it back.
     
  16. Tolak

    Tolak Member

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    Ordered the bits on Saturday from Audi for just under 140 GBP (including bolts for exhaust and drop-links)
    Awaiting delivery, and then good enough weather to get out and install.
     
  17. Tolak

    Tolak Member

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    Bits have arrived, but then so has the weather.
    Next stage is to get some free space in the garage, and then some free time to enjoy that space!
     
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  18. dpaz

    dpaz Active Member

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    Fitted mine last Saturday. Roundabouts are now a completely different experience.

    Best description I can come up with is that fitting an RS4 ARB "sure's up the back end".
     
  19. Yeti3.0tdi

    Yeti3.0tdi Member

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    In two minds wether to get this done...Luke from east Kent Audi said the cabs only show an S4 as the biggest bar but on the avant of course they have the rs4 bar...does anyone think the rs4 version would be a problem for the cab?
     
  20. rhinoman

    rhinoman Member

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    Got an RS4 one on mine.
     
  21. Yeti3.0tdi

    Yeti3.0tdi Member

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    Whats the verdict? Or did I need ask the question lool
     
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  23. rhinoman

    rhinoman Member

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    I said earlier in the thread, love it.
     
  24. Tolak

    Tolak Member

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    One of the benefits is meant to be that it reduces the understeer, so it "sures up the front end", as well.

    Moving the action of keeping the car flat to the rear wheels means the front can be left with lower task loading, and can keep the two tyres at even contact force, so both wheels contribute to the steering. When the rear is softer, the front has to help keep the car flat, and so the inner wheel has lower contact force, and helps less with the steering.

    Ultimate is when an inside rear wheel lifts, and the car is in tripod mode; at this point, the rear axle has done (almost) all it can to keep things stable, and the front has to start compromising its down-forces.
     
  25. A4Rob

    A4Rob Active Member

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    Just been reading start to finish on this , sounds like the way to go.
    As there has been no updates for over a year i wanted to check what the situation is re part numbers.
    I was going to order parts this week but would like to check the definative parts listing /reqiurements as of june 2014 to ensure i get the correct part numbers etc.
    any updates would be great guys .
    rob
     
  26. A4-gam

    A4-gam New Member

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    Where do people reccomend getting these parts? the ARB from Audi has literally doubled since this post
     
  27. SDHA4SLine

    SDHA4SLine Well-Known Member

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    Usual Audi tactic of supply & demand pricing structure :mad:

    I can imagine the yearly Audi pricing meeting probably goes like this....

    "Soooooo a lot of people really want these hey, hmmmm, I know rather than lower the price to encourage higher turn over we shall increase the price to punish our loyal customers! great idea ya? "

    Vorsch sprung durch technik my arse, more like progress through extortionate pricing structures :audibash:
     
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  28. SDHA4SLine

    SDHA4SLine Well-Known Member

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  29. A4Rob

    A4Rob Active Member

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    yep, rushed out just after getting the car to get one, ordered it up, went to fit it and found out i allready had one fitted:think:, anyway took it back and got a refund, but a great mod:cool::) .
     
  30. jdp1962

    jdp1962 Grumpy Old Moderator
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    Dealer or TPS are probably the only options.
     

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