-89 coupe 4-bolt better brakes?

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  • salama
    S2Forum Tinkerer
    • Oct 2013
    • 2
    • Country: Finland

    #1

    -89 coupe 4-bolt better brakes?

    I bought -89 coupe turbo, no original S2. It has 4-bolts wheels. Is there ready bolt on BIGGER 4-bolt disk for 18"wheels? Or do i have to change 4-bolt to 5-bolt? Horsepower will be about 400 and i like drive also on track.

    These are the 4-bolt wheels that i found...
    Vanteet, renkaat, korjaamokoneet sekä sähköajoneuvot tukkuhinnoin vannetukku.fi verkkokaupasta.


    sorry bad english
  • Rusty
    Super Moderator
    • Jun 2004
    • 18953
    • Country: United Kingdom

    #2
    Swap to 5 stud is going to be the best for secondhand parts.

    Only option I know of on 4 stud is to use Focus RS discs and upgrade the calipers.

    Of course, there's always the option of some custom bells for AP racing / Brembo etc. 2 piece discs and 4 or 6 pot calipers.
    Cheers'en, AndyC
    1994 ABY Coupe - Projekt Alpinweiss

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    • bazburn
      S2Forum Maniac
      • Feb 2010
      • 583
      • Country: United Kingdom

      #3
      As Rusty says Focur Rs Mk1 discs ( need to open middle out a touch ) brackets from Bambridge on here with Boxster S calipers ( 4 pot monoblock ) and a bit of new brake pipe to join all together....
      Decent Calipers=£350 ish
      Brackets=£150 ish
      Discs=£150 ish
      Pipes=? depends on your pref....

      HTH

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      • Kieron20V
        S2Forum Extremist
        • Mar 2008
        • 1505
        • Home: England Current: United Kingdom

        #4
        As above, Ford Focus RS Mk1 Discs. Centres need boring out to match the hubs, and bolt holes enlarging.

        Then any calipers for that size of disc, easiest is porsche brembo stuff as adaptors are readily available.
        Cheapest, I bought 4 pot brembos off a BMW E38 728 £150 for the pair, and pads for £30. But then you have to figure out your own mounts.

        Discs are currently under £100 a pair for pagids from ECP.
        1994 URS4 Avant RS2+

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        • sam80quattro
          S2Forum Extremist
          • Oct 2006
          • 1496
          • Country: United Kingdom

          #5
          passat 312mm with discs redrilled to 4 stud. or passat 312mm discs (redrilled) boxster calipers. rs2 mounts machined down to bring the caliper outwards and Spacers to lift caliper upwards. that's what Im running on my 90

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          • salama
            S2Forum Tinkerer
            • Oct 2013
            • 2
            • Country: Finland

            #6
            Thanks !!! So it´s possible after little bit of work. What about this kind of setup? Front Focus RS MK1 324mm discs with porsche 996 calibers and Back Focus ST170 300mm discs with audi S calibers.

            Which wheels would take 17" * 8 or 18" * 8 ?

            Comment

            • bazburn
              S2Forum Maniac
              • Feb 2010
              • 583
              • Country: United Kingdom

              #7
              Originally posted by salama
              Thanks !!! So it´s possible after little bit of work. What about this kind of setup? Front Focus RS MK1 324mm discs with porsche 996 calibers and Back Focus ST170 300mm discs with audi S calibers.

              Which wheels would take 17" * 8 or 18" * 8 ?
              My 17" Oz Superleggera's fit fine over the setup I mentioned above....

              Comment

              • Tom_
                S2Forum Extremist
                • Oct 2007
                • 1301
                • Country: Czech Republic

                #8
                bazburn: "need to open middle out a touch" ? Are u talking about enlarge the center hole in the focus rs brake disc?
                Audi Coupe Quattro 2.3 20V

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                • Kieron20V
                  S2Forum Extremist
                  • Mar 2008
                  • 1505
                  • Home: England Current: United Kingdom

                  #9
                  Tom, yeah the focus discs have a smaller centre hole and need opeing to 68mm Kiev, and also the bolt holes need enlarging.

                  Sent from my HTC One X+ using Tapatalk
                  1994 URS4 Avant RS2+

                  Comment

                  • Tom_
                    S2Forum Extremist
                    • Oct 2007
                    • 1301
                    • Country: Czech Republic

                    #10
                    Thanks lot. I am considering,that i used a focus RS discs + 4 pot Brembos from Tourag + brackets...
                    Audi Coupe Quattro 2.3 20V

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                    • GazzaG60
                      S2Forum Freak
                      • Mar 2007
                      • 4133
                      • Country: United Kingdom

                      #11
                      on the 5 stud there is loads of clearance. not sure, but doubt theres as much space on the 4 stud. pretty sure my 16v has less clearance to rim than the 5 stud i have.

                      a mate just did his tt with brembos and the wheels wouldn't clear without spacers.

                      Comment

                      • bazburn
                        S2Forum Maniac
                        • Feb 2010
                        • 583
                        • Country: United Kingdom

                        #12
                        Originally posted by Tom_
                        bazburn: "need to open middle out a touch" ? Are u talking about enlarge the center hole in the focus rs brake disc?
                        I am...

                        Comment

                        • Kieron20V
                          S2Forum Extremist
                          • Mar 2008
                          • 1505
                          • Home: England Current: United Kingdom

                          #13
                          Originally posted by GazzaG60
                          on the 5 stud there is loads of clearance. not sure, but doubt theres as much space on the 4 stud. pretty sure my 16v has less clearance to rim than the 5 stud i have.

                          a mate just did his tt with brembos and the wheels wouldn't clear without spacers.
                          I need approx 10mm spacers to clear the calipers when I mocked mine up.

                          Sent from my HTC One X+ using Tapatalk
                          1994 URS4 Avant RS2+

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                          • Tom_
                            S2Forum Extremist
                            • Oct 2007
                            • 1301
                            • Country: Czech Republic

                            #14
                            I think,that i do not need a spacers with the new wheels and new 324mm brakes...will se....
                            Audi Coupe Quattro 2.3 20V

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                            • Kieron20V
                              S2Forum Extremist
                              • Mar 2008
                              • 1505
                              • Home: England Current: United Kingdom

                              #15
                              Depends how much clearance you have behind the spokes on your wheels, mine hit the calipers. Can't remember offset of my wheels.

                              Sent from my HTC One X+ using Tapatalk
                              1994 URS4 Avant RS2+

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