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my rear big brake setup 4x108

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  • my rear big brake setup 4x108

    hi guys
    big brake kits for 4x108 is hard to find and my first setup for the rear brakes were urs4 calipers with 266mm vent disc from a citroen berlingo front brakes that i adapted
    Attached Files
    Last edited by quattro-nick; 2 November 2014, 22:31.
    audi coupe quattro b2 2.2 20vt project (573hp-626nm)
    TWINCHARGED power,zero lag
    AEM W/M injection

  • #2
    now i'm going for 300mm vent disc from a ford focus st170 because it has also 4x108
    the idea was to mount 300mm discs with the same urs4 calipers at the rear so first I have drilled one other hole in the strut below and made some custom brackets for the calipers.afterwords i machined the vent disc because the centerhole was to small and the thickness of the disc was too large.it was 24mm thick so i adapt it to 20mm.
    also the front plate from the disc was to thick,it was 10mm so i adapt it to 7mm
    see the pictures from the final results
    the last picture,from right to left, 256mm original disc-266mm vent disc citroen-300mm vent disc ford focus st170
    the 266mm vent disc are almost new and for sale now with the washers so you can mount this with urs4 calipers on your car
    Attached Files
    Last edited by quattro-nick; 29 October 2014, 22:19.
    audi coupe quattro b2 2.2 20vt project (573hp-626nm)
    TWINCHARGED power,zero lag
    AEM W/M injection

    Comment


    • #3
      The first setup seems like a nice simple one.

      The second setup seems like a lot of work, but nice end result.

      What do you have on the front?
      Current-2004 Impreza PPP wagon

      Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
      Sold ABY-stock

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      • #4
        yes,first setup is plug and play,only the disc need to be adapted if you buy new one
        you need to drill the centerhole and wheelbolts holes bigger and i have also adapt the thickniss from the disc from 22mm to 20mm
        for the front i bought a second hand big brake kit from xyz from a golf 4 with 330mm disc and 6 piston calipers with ferodo ds2500 pads
        i make some custom brackets for the calipers and other rotors for 4x108
        no pictures yet but there is one pictures in my garage when i bought it
        Last edited by quattro-nick; 2 November 2014, 21:16.
        audi coupe quattro b2 2.2 20vt project (573hp-626nm)
        TWINCHARGED power,zero lag
        AEM W/M injection

        Comment


        • #5
          pictures from the front brakes 4x108 330mm
          Attached Files
          audi coupe quattro b2 2.2 20vt project (573hp-626nm)
          TWINCHARGED power,zero lag
          AEM W/M injection

          Comment


          • #6
            I like that first setup.. I used a MK5 golf rotor skimmed down and redrilled but this looks much simpler... thanks for the Citroen Berlingo reference.
            www.quattro.ca
            B2: 82 Urq into Sport quattro, 82 4000 2-door, 83 80q 2 Door, 83 Ur-q CDN, 85 Ur-q Euro with 3B, 86 4kq, 59,000km
            B3/B4: 91 CQ, 93 90q 2.5TDI, 94 80q avant 2.5tdi, 94 S2 Avant

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            • #7
              Hope your ABS is fully functional.

              I have a track car Type 85 1985, with big brakes in front and standard at rear. Under heavy braking at the end of the straight the back gets so light its not sure if it wants to pass the front on the left or right.

              But full marks for the DIY. Ford ST a good option.
              Regards
              Ryss
              www.autostart.co.za

              Comment


              • #8
                i dont have abs
                on the 15 november i go driving for the first time on track,2 times 25 minutes
                I am very curious how the car will react in terms of suspension and brakes
                maybe if you have better rear brakes or front suspension it will solved your problem
                i think with better rear brakes it will pull the back of the car down or am i wrong?
                audi coupe quattro b2 2.2 20vt project (573hp-626nm)
                TWINCHARGED power,zero lag
                AEM W/M injection

                Comment


                • #9
                  Oops. Fun to be had.

                  My front suspension is very hard and it does not compress much under braking. It just the weight transfer. The bigger the brakes the worse it will be.

                  I run with the center diff locked and she brakes dead straight. Then big brakes will help.
                  Else you will need a brake bias adjustment.

                  Good luck. Would appreciate feed back on your experience on the track.
                  Regards
                  Ryss
                  www.autostart.co.za

                  Comment


                  • #10
                    How thick is the washer that you have used in the rear between the calipers and the wishbone?

                    This seems to be the easiest solution for the ugly ford pattern to upgrade the rear brakes
                    http://www.audi-quattro-highlights.c...Highlights.exe

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                    • #11
                      which setup?
                      with the berlingo vent discs?
                      audi coupe quattro b2 2.2 20vt project (573hp-626nm)
                      TWINCHARGED power,zero lag
                      AEM W/M injection

                      Comment


                      • #12
                        Yes
                        http://www.audi-quattro-highlights.c...Highlights.exe

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                        • #13
                          the washers are 6mm thick
                          the berlingo vent disc need to be machined a little bit before it fits on the car
                          the center hole and the 4 wheel bolt holes are to small,you have to drill them bigger
                          also the disc thickness is to big,i have machined them 1mm smaller on each side

                          http://www.s2forum.com/forum/showthread.php?t=74163
                          audi coupe quattro b2 2.2 20vt project (573hp-626nm)
                          TWINCHARGED power,zero lag
                          AEM W/M injection

                          Comment

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