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Thread: Gallardo / Audi Brake Rotor Options.

  1. #1
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    Gallardo / Audi Brake Rotor Options.

    Well, since I'm in the market for new brakes, I've been searching like EVERY THREAD for any mods or what else I can use up front haha.

    The lambo guys use our stock rotors because they're cheaper, but also searching that forum leads to the v10 R8 rotors fitting the lambo as well, and the newer RS5 rotors are the same as the R8....

    I guess my question is will they all bolt up without issue (are the rotor hats the same offset) and does anyone here have an RS5 rotor they can measure to check for sure? I have a lead on some for a decent price...

    Like these...

    http://www.ebay.com/itm/NEW-Audi-R8-...item3f3ec89bd9

    I'd like to explore every option before I commit to something

  2. #2
    Registered User hahnmgh63's Avatar
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    The RS6 Drilled and non-drilled rotor part #'s are:
    front cross drilled rotor
    4B3 615 301 E
    4B3 615 302 A

    front non cross drilled rotor
    4B3 615 301 B
    4B3 615 302

    rear cross drilled rotor
    4B3 615 601 C
    4B3 615 602 A

    rear non cross drilled rotor
    4B3 615 601 B
    4B3 615 602

    P.S. here is a thread that talks about those discs:
    http://audisrs.com/archive/replaceme...t__t_1572.html
    2003 White RS6 2013 Midnight Blue S5
    2013 Daytona RS5 2x944 Turbo's 1974 911 w/'91 3.6ltr motor
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  3. #3
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    I know This post is for every other option out there that may work.

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    Just so everyone is aware, Advance Auto has the stock like Zimmermann rotors on their website.

    What that means is that you can add just one side to the cart, and put in discount code TRT30 and you've just saved $50 bucks. Making the rotor $266.38 Shipped. Cheapest I've seen so far. Then just do it again for the other side. And maybe some hawk pads

    Stock up!

    http://shop.advanceautoparts.com/p/o...zfz/10758953-P

    http://shop.advanceautoparts.com/p/o...archTerm=rotor

  5. #5
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    Cheapest website for the EBC Yellow pads... only $109 shipped!

    http://www.carid.com/2008-audi-r8-br...s-4189230.html

    Anyone have the part number for the back?

  6. #6
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    I have confirmed the RS5/R8 wave rotors do actually fit perfectly on my car. So that means any of the big brake kits offered for those cars will fit on our C5 RS6

    Don't mind the dirty floor it's just some random garage with a lift i have access too

    Click image for larger version. 

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    Now rocking EBC Yellows on the ride.
    BB GT28's w/ Tial Wastegates, Full 3" Open Exhaust, Wagners, Billet Triple Disk Converter, Built Trans, Exedy Friction Disks, ECU/TCU Tuned, 450/AEM400/1000cc/AFPR, E85, R8 Coils, Nubcake Tuned. Fastest RS6 in the USA :)

  7. #7
    Registered User 4everRS's Avatar
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    Great find!

    Edit: is there a year range of rs5/r8 that we would search for when shopping? I'd like a"floating" option like our stock ones, but but slotted instead of drilled.
    Avus Silver RS6 - Viper Stage 2 ECU/TCU - Water/Meth Injection - Frozen Rotors - Hbars - clear corners - Hella smoked tails - gutted precats

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    If you just want slotted only I'd just go with the Girodisk rotors (cost wise)... which I plan on doing after I have 19's on. Brembo makes a slotted only 380mm rotor as well.. but it's $$$$

    http://www.girodisc.com/Girodisc-Fro...S6_p_6543.html

    If you don't want to upgrade the wheels the ECS tuning RS5 rotors are now an option... Maybe they'll make just slotted for stock sizing as well??

    http://www.ecstuning.com/Audi-B8_RS5...ors/ES2785596/

    http://www.ecstuning.com/Audi-B8_RS5...ors/ES2603007/

    We share the same Rotor offsets as the 2013-2014 RS5, The gallardo's and the R8's.
    BB GT28's w/ Tial Wastegates, Full 3" Open Exhaust, Wagners, Billet Triple Disk Converter, Built Trans, Exedy Friction Disks, ECU/TCU Tuned, 450/AEM400/1000cc/AFPR, E85, R8 Coils, Nubcake Tuned. Fastest RS6 in the USA :)

  9. #9
    Registered User mik15's Avatar
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    has anyone tried the ECS ones? they seem very appealing and good looking rotors
    Ex.: 2004 Audi RS6 C5 ABT, Milltek non-resonated, 19" RS4 B7 rims, RNS-E - SOLD
    2004 AUdi RS6 C5, SE exhaust, RNS-E, 19' original rims - SOLD
    Now :2009 Audi RS6 C6 - stock yet pretty fast

  10. #10
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    I don't think anyone has considering I just figured out the RS5 rotors work.

    Give them a shot and let us know! I haven't seen any reviews on them for street use yet, but i did find a bimmer thread on them with some info...

    http://www.m3post.com/forums/showthr...=933245&page=2
    Last edited by s8prtotype; January 13th, 2015 at 07:25.
    BB GT28's w/ Tial Wastegates, Full 3" Open Exhaust, Wagners, Billet Triple Disk Converter, Built Trans, Exedy Friction Disks, ECU/TCU Tuned, 450/AEM400/1000cc/AFPR, E85, R8 Coils, Nubcake Tuned. Fastest RS6 in the USA :)

  11. #11
    Registered User nistah's Avatar
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    What model year Gallardo & R8 OEM Brake Rotors are a direct fit for the RS6? Do front and rears both fit?
    Current: Black Pearl Metallic Effect/Ebony, RNS-E, Euro + pedals, oCarbon, Hotchkiss Front & Rear Sway Bars, Koni Yellow's

  12. #12
    Registered User marklar182's Avatar
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    only fronts of the Gallardo/R8 rotors fit. All years.

    only fronts of the "Wave" rotors fit as well, rears are smaller than our stock rears.
    2008 A4 2.0TQ Quartz Grey Metallic S-Line/Titanium Package
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    2003 RS6 TOTALED.-----Searching for a replacement

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    The newer RS4 Avant and the RS5 have bigger wave rotors for the rear and all you have to do is space the caliper to fit. But you need 19's at least.

    There is also a bigger factory front rotor and you'll need 12mm-15mm caliper bolt spacers, but I've found it's much more cheaper to use the Girodisk rotors cost wise, and they're probably stronger for track use.
    BB GT28's w/ Tial Wastegates, Full 3" Open Exhaust, Wagners, Billet Triple Disk Converter, Built Trans, Exedy Friction Disks, ECU/TCU Tuned, 450/AEM400/1000cc/AFPR, E85, R8 Coils, Nubcake Tuned. Fastest RS6 in the USA :)

  14. #14
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    http://www.ebay.com/itm/Front-Rotors...-/181639107927

    Not bad!! I might have to do this when I need new brakes!

  15. #15
    Registered User RS8's Avatar
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    Quote Originally Posted by s8prtotype View Post
    The newer RS4 Avant and the RS5 have bigger wave rotors for the rear and all you have to do is space the caliper to fit. But you need 19's at least.
    What size are the rear brake discs you're talking about, because I find these Audi RS5 2013-2014 on ebay and 330mm brake discs are smaller than the RS6 C5 ?

    http://www.ebay.com/itm/Disc-Brake-R...f49315&vxp=mtr
    RS6/S8 engine, 6spd tdi 01E, EFR7163 turbos, custom built exhaust manifolds, S8 camshafts, MaxxEcu Pro, wagners ic's, bigger fuel rails, AN8 fuel line, 2xwalbro 450lph fuel pump
    and EV14 1500cc fuel injectors in my S8/RS8

  16. #16
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    Actually you're correct, (my mistake) the rear seems to just be a match to the wavy style fronts, but the offset of the rotor hat needs the caliper spaced a few mm (around 3mm) to work I think, not sure yet I haven't done the rears, but was talking to someone who has via email.

    Rear RS5 Part # 8t0615601a

    Rear RS4 Part # 8k0615601g

    If you want the bigger front rotors...

    Front RS7 Part # 4g0615301e (390mm x 36mm)

    Front RS5 Part # (stock size, whats on my car) 8T0615301

    Pictures of the 390mm front and rs5 rear on a c5 rs6...


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    BB GT28's w/ Tial Wastegates, Full 3" Open Exhaust, Wagners, Billet Triple Disk Converter, Built Trans, Exedy Friction Disks, ECU/TCU Tuned, 450/AEM400/1000cc/AFPR, E85, R8 Coils, Nubcake Tuned. Fastest RS6 in the USA :)

  17. #17
    Registered User Bigglezworth's Avatar
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    Larger dia clearly designed for a larger brake pad. You're photo shows 25% of the rotor not being used. Defeats the purpose of having larger dia rotors IMO.
    '02 S6 Avant Silver - Pokey | Carbon Black/Ebony RS6 w/ stuff - darn quick | '03 Daytona Grey/Ebony RS6 w/ more stuff - quicker yet | '91 NSX CDN issue with 6spd & BBSC - quicker yet and then some | '87 Buick GNX OEM clone w/ lots of stuff - quickest hands down

  18. #18
    Registered User Bigglezworth's Avatar
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    On another note, here's a PM blog about Audi's 'wave' rotors...

    http://www.popularmechanics.com/cars...rakes-get-wavy
    '02 S6 Avant Silver - Pokey | Carbon Black/Ebony RS6 w/ stuff - darn quick | '03 Daytona Grey/Ebony RS6 w/ more stuff - quicker yet | '91 NSX CDN issue with 6spd & BBSC - quicker yet and then some | '87 Buick GNX OEM clone w/ lots of stuff - quickest hands down

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