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  1. #1
    denzelburner's Avatar
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    New Discs needed, but what?

    I know there are a few posts on this, but need a bit of help as I'm unclear on the exact options.

    As you can see below, i've got the facelift 2.5tdi, and am needing new brake discs and pads. I'd like to go a bit bigger, but not sure which way to go, either RS4 for both front and rear, or RS6 front and RS4 rear.

    What I'm unclear on are the extras needed for these. Do I need new calipers or will they fit straight on with nothing to do for either option? And what are the carriers?

    Thanks for your help
    If you can't beat them, arrange to have them beaten

    2000 B5 2.5tdi V6 (if only it were a quattro)

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  3. #2
    "Stick a V8 in it!"

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    maybe im wrong here but i had assumed that B5 RS4 and S4 front uprights used different brake mounting lugs to the rest of the range and therefore their calipers wont fit the lower models.

    someone else can probably confirm this one way or another for you

  4. #3
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    Aragorn is right.

    Your best option is A8 discs, and TT caliper carriers. A relatively simple conversion, the TT carriers allow the much bigger A8 disc to be fitted, by spacing out your existing caliper.

    Not sure about the rear, I haven't much experience with FWD cars.

  5. #4
    denzelburner's Avatar
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    thanks for the replies Siena and Aragorn

    would the A8 discs fit under 17" wheels, and with the different calipers, would that mean that i would need to change the brake reservoir as well?
    If you can't beat them, arrange to have them beaten

    2000 B5 2.5tdi V6 (if only it were a quattro)

  6. #5
    205man's Avatar
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    you dont change the calipers just the carriers, so no need to change the brake reservoir,
    changing the carriers pushes the clipers out futher allowing you to use the larger a8 discs

  7. #6
    Soupie69uk's Avatar
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    Yeah the 312mm A8s fit under 16s so will fit under 17s
    A4 1.8T Quattro, FMIC, Coilovers, B&M short shift, 312mm Brakes, Stage 4 clutch, Awe Gauge, Uprated antiroll bars, plus more bits. Pics Here

  8. #7
    g60leigh's Avatar
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    Quote Originally Posted by Siena
    Aragorn is right.

    Your best option is A8 discs, and TT caliper carriers. A relatively simple conversion, the TT carriers allow the much bigger A8 disc to be fitted, by spacing out your existing caliper.

    Not sure about the rear, I haven't much experience with FWD cars.
    Hi mate, is this the same for the pre facelift?
    If I get TT carriers I would be able fit larger discs? (which pads would be needed? A8 or standard)

    Thanks

    2001 S3 (AMK)
    AEM WMI Kit, Black Silicone Hoses, Badger5 TIP with Cone Filter, AH Fabrications FMIC, Relentless Manifold Downpipe & Sport Cat, Miltek Cat Back Exhaust, VAG Aero Wipers, Forge FMDV008 Re-Circ, Revo Stage 2 Remap with SPS+ Tweaks, 2.0 TFSI Coil Pack Mod, B&M Short Shift, RNS-D Retrofit, Brembo & B5 2 Piece Rotor Conversion

  9. #8
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    Same for pre and post facelift.

  10. #9
    205man's Avatar
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    standard or aftermarket pads but you dont need a8 pads as your keeping your original calipers

  11. #10
    "Stick a V8 in it!"

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    the disks are also fitted to A6's

    ive already looked into the rear and it seems that basically nothing can be done to upgrade the disks on FWD A4 B5's as they have the hub integrated into them unlike the rest of the range

    one point i would make is that if your going to buy performance items, pads are much much more important than the disks. I personally would use OE disks from a motorfactors and something like ferodo DS2500 or Mintex 1144 pads

  12. #11
    denzelburner's Avatar
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    how about upgrading both disc and pad? mine really need replacing, and i thought i might as well better them while i need to replace my bearings, suspension and cv joints (gulp).

    if it is not viable to upgrade the rear brakes, would this throw the correct bias out the window?
    If you can't beat them, arrange to have them beaten

    2000 B5 2.5tdi V6 (if only it were a quattro)

  13. #12
    g60leigh's Avatar
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    Is it worth fitting the TT calipers if using their mounts?
    Quote Originally Posted by 205man
    standard or aftermarket pads but you dont need a8 pads as your keeping your original calipers

    2001 S3 (AMK)
    AEM WMI Kit, Black Silicone Hoses, Badger5 TIP with Cone Filter, AH Fabrications FMIC, Relentless Manifold Downpipe & Sport Cat, Miltek Cat Back Exhaust, VAG Aero Wipers, Forge FMDV008 Re-Circ, Revo Stage 2 Remap with SPS+ Tweaks, 2.0 TFSI Coil Pack Mod, B&M Short Shift, RNS-D Retrofit, Brembo & B5 2 Piece Rotor Conversion

  14. #13
    "Stick a V8 in it!"

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    g60: they are the same.

    denzel: as i said i'd fit OE replacement disks and some good pads like the DS2500's or Mintex 1144's, if you want to spend more money i'd spend it on Castrol SRF before better disks. It will shift the bias a little, but most of the braking is done on the front anyway so it wont cause any problems

 

 

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