Bromsok 99 Rallye

Forum Övrigt SSR Bromsok 99 Rallye

Detta ämne innehåller 16 svar, har 6 deltagare, och uppdaterades senast av 2011-01-07 10:38.

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  • #22516

    eriks
    Deltagare

    Hej!

    I would like to install the bigger, ventilated front-brakes on my Saab 99 rallye-car. They are listed in the homologation papers.

    From what I have found out, it seems to be ATE brakes from a Volvo 164 (1972-1975).
    Is this correct?

    Is it ”plug&play” or do I have to modify things to make them fit?

    It would be great if someone has done this conversion and can help me with some tips how to do it. 🙂

    Tack!

    MVJ,
    Erik

    #160538

    eriks
    Deltagare

    Noone any ideas? 🙁

    #160554

    jar
    Deltagare

    Hi,

    There may be a problem with piston diameter. I have one set of the Volvo calipers in the shelf and seems that they are few mms wider than homologated. Also those are not bolt-on calibers, some changes have to be made to the fixing.

    What homologatin are You using? For turbo cars also the AP ”boxing glove” calibers are homologated and they are competition calipers with reasonable pad diameters.

    I found some time ago some old parts for 99 rally cars and there were also front hubs with ventilated discs and strenghened drive safts. Hubs are pre -81 models and disc is not same as the later ventilated Saab model. Diameters are around 20 mm thick 280 wide and they discs are installed above drive shaft plate not behind as the original disc in old hub. Do anyone know where are those from ?

    br.

    jukka a.

    #160555

    eriks
    Deltagare

    Hi!

    Okay, so does it mean the piston diameter is too big on the Volvo 164 calipers?

    So no bolt on. Is it possible to use some kind of adapter?

    The homologation is for Saab 99 (non-turbo), FIA homoogation 5534.

    Cheers,
    Erik

    #160556

    fuling
    Deltagare

    Vad har volvo142(144 o 145) för ok da?
    Gissing är inte de mindre än 164a, fel?

    #160558

    eriks
    Deltagare

    Volvo 140 does not have ventilated brake-discs. Only Volvo 164 had ventilated brakes (1972 – 1975).

    MVH,
    Erik

    #160562

    fuling
    Deltagare

    Erik, ok

    #160564

    nkro
    Deltagare

    The 164 brakes look like the ones in the homologation paper. But the diameter are larger than the fia paper. Then I was thinking about the prinsess brakes and they hve to big pistons. I think MG metro turbo brakes (AP) are the right size.

    Im sorry JAR… But ”they” told me that saab used volvo 164 brakes.

    If you want ventilated disks. Use the 900 aero brakes from -87 like trued and saab did.
    Do you have a picture on the brakes JAR ?

    The later AP can you buy new, they are not plug & play. But you can buy them new from AP.
    You have new AP brakes for about 15000:- Kr.

    Niklas

    #160566

    eriks
    Deltagare

    Hm, okay. So the Volvo-Brakes seem to be a dead-end…

    For the 99 without Turbo, I can’t use the later AP-brakes as the only ones homologated are the ATE-brakes. And I want to keep the car App.K conform, so the AP is not an option I think…

    By the way, which AP-caliper would that be for the 99 Turbo?

    MVH,
    Erik

    #160574

    jar
    Deltagare

    Hi

    Here are pictures from pre-81 hub with ventilated disc.

    Homologated calibers for turbo says to be same as in Escort BDA, so these???
    Ap Break catalog

    mvh
    jukka a

    #160582

    nkro
    Deltagare

    The -87 discs are 276 x 20.

    And that looks like modified standard calipers.

    Saab had the discs custom made. And you could buy them from saab.

    Niklas

    #160595

    ake svantesson
    Deltagare
    #166526

    eriks
    Deltagare
    JAR wrote:
    Hi

    Here are pictures from pre-81 hub with ventilated disc.

    Hej!

    I got the information from a friend in switzerland that the calipers for ventilated disc, which looks similar to 99/900 caliper, is from Peugeot 504. It is similar design, a bit wider (so ventilated discs fit) and without the handbrake mechanism.
    These are said to be homologated for group A. I can’t check it as I don’t have group A homologation paper for 99 Turbo.

    JAR wrote:
    Homologated calibers for turbo says to be same as in Escort BDA, so these???
    AP 2361
    ake svantesson wrote:
    i think this is the right ap calipers..

    AP 2271

    Can anyone say for sure which one is the correct one for the Turbo? I would like to put some realy good brakes on my 99 as I will convert it to group2 99 Turbo soon.

    I think it must be the one that Ake has linked here (CP2271) as the one from JAR (CP2361) is for smaller brake-discs with 248-267 mm diameter. CP2271 is for 260-302 mm diameter brake disc, which fits perfectly for the homologated, ventilated discs with 280mm / 25,4mm thick for the Turbos. AP delivers also disc with size 280 mm / 25,4mm thick.

    Would be nice to know which parts to order as it is some money to spend… :whistle:

    Best Regards,
    Erik

    #166538

    ake svantesson
    Deltagare

    it shall be 2271 for saab ..it is fords tarmac caliper .used for 15 inch rims
    2361 is fords gravel caliper used to fit in 13 inch rims

    all the best åke

    #166549

    eriks
    Deltagare

    Okay, thank you for confirmation.

    Just once more about the brake-discs:

    Is it for sure 280mm or smaller or bigger?

    Best Regards,
    Erik

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