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bermbo 18z claipers on a b3 coupe quattro

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  • bermbo 18z claipers on a b3 coupe quattro

    So i am building up a 400hp car and i have always known that I would need to upgrade the brakes but I was going to cross that path when I got there. However, I have just come across some Brembo 18z callipers form a Porsche caman I believe, they are £350 so quite resizable however I am not sure if this is the way to go, I don’t know how much work it will be to fit them. I know I will need a adapter plate for them to sit on but I’m unsure where to get some and how much that will cost, I also know I will need new discs, pads and brake lines, but I’m not sure if that is it and if a stock b3 brake master will run them (it does have abs) also I don’t think that they will fit in my stock wheels.
    I know a lot is just a case of getting bits and pieces but I would like to see what you guys all think as im sure you have seen this done once or twice I have looked throw a bit of stuff but most was for the urs4 and b4.
    thanks for the read

  • #2
    There are adapters out there for 18Zs. IMHO they are not a good caliper choice as the adapter is a compromised design to fit the B3/B4 and the calipers weigh a ton. Add the weight of large single piece discs and 18" wheels you'll need to fit them you have a huge increase on unspruing mass. IMHO the Porsche 996/996 4 pot and 6 pot calipers are a far better choice.
    People fit 18z and 17z mostly because they look big and impressive and they are cheap.
    Panthero Coupé quattro 20vt
    Indigo ABY coupé
    Imola B6 S4 Avant

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    • #3
      996 fitting guide
      https://r.tapatalk.com/shareLink/top...ink_source=app

      S2 Coupe 3B Project


      Ur quattro restoration

      S2 Avant

      Boost is the new rock and roll!
      sigpic

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      • #4
        Ok that’s fine I guess I’ll keep my eyes out for a set of 996 calipers.

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        • #5
          I believe that the 996 use the rs2 adapters as well so if anyone can tell me where I can get some of a good price it would be much appreciated

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          • #6
            https://www.s2forum.com/forum/member...4-323-a8-discs
            Panthero Coupé quattro 20vt
            Indigo ABY coupé
            Imola B6 S4 Avant

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            • #7
              Will 996 calipers work with 17” wheels?

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              • #8
                Yes
                Panthero Coupé quattro 20vt
                Indigo ABY coupé
                Imola B6 S4 Avant

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                • #9
                  still running the same gt2 6 post and 993 tt discs setup. over a decade now

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                  • #10
                    on a b3q you need to run 5cyl ball joints for some brackets or you cannot tune the wheel properly.

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                    • #11
                      What do you mean sorry mate?

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                      • #12
                        ok i was looking out for some calipers part number 996 351 426 i beleve this is 996 and boxer front calipers but i have found a set of 996.352.421 with i think are rears are they of any use to me or should i wait for some 996 351 42? (i dont realy know how they differ)

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                        • #13
                          IIRC the carrier for the 6 pots and big 4's catches on the inside edge of the wishbone with the 4 pot balljoints. maybe just bracket design.

                          rears tend to only accept narrow discs. you need as big as you can get under the wheel with these heavy cars.

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                          • #14
                            You need 996 351 425/426 - these are 996 or Boxster S front calipers. Or go with the larger 996 351 429/430 996 TT/GT3 four pots.
                            Panthero Coupé quattro 20vt
                            Indigo ABY coupé
                            Imola B6 S4 Avant

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                            • #15
                              ok i have some calipers and now need discs and pads. i have got some discs from a audi a8 1997 323mm by 28mm i seam to recall that these discs worked i need some pads and the springs if anyone might have a good number for them the porsche ones where not crossing over. and also i've seen that there is a dampning plate that gose in the calipers is this required or just just help noice?

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