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Big Brake Kit for the Octavia? (Fits GTI MK5/6 and others)

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  • #46
    Martin,

    Wow you have time on your hands lol. Nice reply!

    Each to their own on what kits they want i agree definite.

    FYI both my calipers and Lora's were brand new. Her's purchased last quarter of last year. So they are not that hard if you know where to look and they were not even close to that expense.

    ps. you say legality issues for spacers. Your brakes also require certification to be "legally" fitted to the car. So contradiction there alone i would say for all of us for half the mods we fit actually!

    We all worry about the weight, as you can really notice it and makes all the difference to the car. Don't include ones body weight that you may weigh 90kg and someone else in the 60s, or the fact you have heavy wheels and i don't? So realistically, its merely small numbers for peoples pants dyno and feeling overall.

    But definitely agree with you, plug and play is great if you want an AIO solution at the end of the day. What kit you choose is each of course what they prefer and like, whether looks wise or specifications!
    Last edited by fuzion; 05-03-2013, 01:04 PM. Reason: cant spell today!
    What’s behind you doesn’t matter..

    Comment


    • #47
      Originally posted by Martin View Post
      The Octavia VRS brake master cylinder has the same 23.8mm bore as the Audi S3
      Martin, are you sure about that? That would mean it's different to the Mk5 GTi (22.22mm).

      Comment


      • #48
        Originally posted by Weekend-Warrior View Post
        Martin, are you sure about that? That would mean it's different to the Mk5 GTi (22.22mm).
        Yes, I've seen it in Skoda marketing material and spare parts descriptions
        ( Only for the higher end Octavia's - not the 90/118 )

        Remember the MK5 is getting on now - 2006 to 2009
        I'm finding my 2012 Octavia VRS much closer to MkVI GTI
        I'll see if it's detailed in the Elsa workshop manual tonight
        2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
        APR Stage II ECU - APR 3" exhaust down pipe & high flow catalyst
        APR/HP Roll bars - Eibach springs and Bilstien shocks
        Supaloy lower control arms - Enkei 18*8 Wheels

        Comment


        • #49
          Originally posted by fuzion View Post
          FYI both my calipers and Lora's were brand new. Her's purchased last quarter of last year. So they are not that hard if you know where to look and they were not even close to that expense.
          Perhaps you could share some links???

          Originally posted by fuzion View Post
          ps. you say legality issues for spacers. Your brakes also require certification to be "legally" fitted to the car. So contradiction there alone i would say for all of us for half the mods we fit actually!
          The spacer legality issue seems to be debated often in the forums - that's all I'm referring to
          I disclosed the car modifications to my insurer (see my signature), they did not ask for any compliance or certifications
          The ECU modification added $60 and the lot added ~$120 to my annual insurance cost
          (My only concern is to ensure they can't refuse a claim on the basis of lack of disclosure)
          Everybody has different sensitivities to the possible (legal and warranty) ramifications of modifications

          Originally posted by fuzion View Post
          But definitely agree with you, plug and play is great if you want an AIO solution at the end of the day. What kit you choose is each of course what they prefer and like, whether looks wise or specifications!
          Yeah, for me the main thing to remember is it's not about need, it's all about want
          As such we don't need to justify our car modifications to anybody other than our selves (and the finance minister)

          Others who want also want to purchase a BBK often appreciate build threads and discovering pro's/con's of specific equipment
          I think my HPA brake kit is rather rare in Australia and thought Octavia people would like to hear about it
          At our Octavia drive we had 12 cars and only one had a BBK (from ECS Tuning)

          I've certainly learnt a lot on this forum and really appreciated it
          I've been out of touch with cars for over 10 years and can't believe how much cars have changed in that time
          (I need to sit down and read the VCDS manual - there's so much to learn)
          2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
          APR Stage II ECU - APR 3" exhaust down pipe & high flow catalyst
          APR/HP Roll bars - Eibach springs and Bilstien shocks
          Supaloy lower control arms - Enkei 18*8 Wheels

          Comment


          • #50
            Originally posted by Weekend-Warrior View Post
            Martin, are you sure about that? That would mean it's different to the Mk5 GTi (22.22mm).
            Coming back to this noteworthy point - I've now checked the workshop manual:

            All Octavia's come with a master cylinder bore of 22.2mm except:
            Petrol 147kw and TDI 125kw models which get a master cylinder with a 23.8mm bore

            Specifically:
            • Petrol engine codes BWA, CCZA
            • Diesel engine codes BMN, CEGA

            So yes these models are ahead of the MKV GTI
            This positions these models well for multi piston caliper upgrades

            As I said, my brake pedal feels great with the HPA 6 piston calipers, firm and granular control with heaps of authority
            2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
            APR Stage II ECU - APR 3" exhaust down pipe & high flow catalyst
            APR/HP Roll bars - Eibach springs and Bilstien shocks
            Supaloy lower control arms - Enkei 18*8 Wheels

            Comment


            • #51
              The other night I had a look at the master cylinder to see if there was a part number I could google. I couldn't see anything except for the VW and Audi logos and a "23" cast into it. Not sure if this relates to the bore size.

              Also went back and had a look at the piston sizes for your calipers. 28mm, 31mm and 35mm and re-did my maths.

              Comes to 4665mm2 which I think isn't bad compared to stock which is 4580mm2.

              Comment


              • #52
                Thanks for the piston calculations

                During the week I've been messing around with my brake kit,
                Had two minor technical issues which HPA and the manufacturer talked me through
                I must say, the technical support is fast, detailed and professional, very happy

                I have tried the Skoda Neptune wheels - the spokes actually hit the caliper
                My Golf R replica wheels don't hit, but there is only 1mm clearance, so need to use a 2mm spacer
                My Audi RS4 wheels are the best - they have heaps of clearance - no worries at all (photo tomorrow)

                One of the numerous reasons I choose the HPA brakes was the compact caliper
                It is one of the two most compact calipers available for a VAG vechicle
                The caliper protudes only 28.5mm from the face of the rotor
                (Many are around 40mm making large spacers or agressive wheels necessary)

                I'm working through stress relieving the new rotors
                Then I have to break/bed in the pads & rotors at temperature
                Then on the 17th there is the Marulan track day

                (Should I get a pair of semi slicks for the track day?)
                2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
                APR Stage II ECU - APR 3" exhaust down pipe & high flow catalyst
                APR/HP Roll bars - Eibach springs and Bilstien shocks
                Supaloy lower control arms - Enkei 18*8 Wheels

                Comment


                • #53
                  Last Thursday night I used the brakes 3 or 4 time to slow from 80km/h to 50km/h
                  That put heat into the brakes, they started to bite impressively
                  (Since then I've had the worst man flu ever, still recovering, didn't drive all weekend)
                  I can't believe I've had these bad boys for two weeks and have not done a big stop yet
                  Still - track day at Marulan on Friday, should be fun for sure
                  2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
                  APR Stage II ECU - APR 3" exhaust down pipe & high flow catalyst
                  APR/HP Roll bars - Eibach springs and Bilstien shocks
                  Supaloy lower control arms - Enkei 18*8 Wheels

                  Comment


                  • #54
                    Here is the latest photo of the brakes, you can clearly see a healthy level of brake dust has built up (light brown colour)
                    The pads are certainly shedding a bit more than stock - will see how hard they are to wash in a few days
                    At $129 for complete set I'm not concerned about pad wear



                    I've twice made the mistake of braking enthusiastically (to stop for an orange light that most people would run through)
                    This is has put the cars behind me into a little stress having to brake pretty hard
                    Note to self, be more aware of followers (unless I need a new bumper)

                    I've found that during rush hour traffic with light brake usage the rotors are running ~10 degrees cooler than the stock rotors

                    While this brake kit works just fine from cold and around town, I've discovered that when you get them hotter than average, they really start biting at a rate not normally experienced in a production car


                    In my travels today I saw a high end Audi sedan with larger brake rotors than me!

                    I just hate production brakes and tyres on track days - they can really spoil the fun
                    I did not want to hammer my rather expensive Michelin PS3 tyres on the track (while they are very good tyres, they are not worth $300 a corner - but that's another story for another thread)
                    So I put a spare pair of Continental Sport Contact 2 tyres on spare rims
                    While these tyres have many good qualities, I immediately noticed they don't have the crisp turn in of the Michelin PS3
                    So, not wanting this to spoil the track day, I've bought a pair of Toyo R888 street legal semi slicks ( R888 ) for track days

                    They look pretty mean! ( Please don't rain on Friday! )


                    I do get carried away for sure, one thing always leads to another
                    ECU upgrade, Exhaust Upgrade & CAI, suspension upgrade, Springs & Roll Bars, Brakes and now tyres
                    Yet at the end of the day the limiting factor will be organic
                    2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
                    APR Stage II ECU - APR 3" exhaust down pipe & high flow catalyst
                    APR/HP Roll bars - Eibach springs and Bilstien shocks
                    Supaloy lower control arms - Enkei 18*8 Wheels

                    Comment


                    • #55
                      So today I've performed step one of the brake rotor seasoning procedure
                      4 normal (street driving) stops from 100km/h to bring the rotors up to temperature
                      4 stops from 100km/h using 50% braking force
                      Drive for 5 minutes without using much braking to allow cooling
                      4 stops from 100km/h using 75% braking force
                      Drive home let it cool down and settle over night
                      (All stops were actually partial stops down to 15km/h)

                      The 75% braking put a smile on my face, the car really is arrested quickly and competently
                      I can't imagine driving a stock Octavia hard again, the brakes would scare me after using these HPA deamons

                      (The rotors still have light cross hatch matching marks)

                      Part two of this rotor seasoning process should get the rotors up to 480 degrees
                      2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
                      APR Stage II ECU - APR 3" exhaust down pipe & high flow catalyst
                      APR/HP Roll bars - Eibach springs and Bilstien shocks
                      Supaloy lower control arms - Enkei 18*8 Wheels

                      Comment


                      • #56
                        I completed the brake rotor seasoning process - did not get time to do the pad brake in process
                        As a result, the pads could only take 4 laps before the heat got to them
                        What's interesting is how quickly these ceramic came back, give it a rest for half a lap and we are good to go hard again
                        But in they performed better in the afternoon - 6 laps and the driver overheated rather than the pads
                        I was getting great deceleration rates and ABS kicking in all the time on one corner
                        I was not using an excessive amount of brake pedal pressure, this BBK is easy and comfortable to drive hard

                        Here are some installation photo's


                        Last edited by Martin; 23-03-2013, 08:35 PM.
                        2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
                        APR Stage II ECU - APR 3" exhaust down pipe & high flow catalyst
                        APR/HP Roll bars - Eibach springs and Bilstien shocks
                        Supaloy lower control arms - Enkei 18*8 Wheels

                        Comment


                        • #57
                          Today I've switched over from ceramic pads to Ferodo DS2500 Semi Metalic pads (road/track option)
                          And the braking just keep getting better, great bite immediately, not even bedded in yet
                          Looking forward to the next track day (VW Nationals I think)
                          2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
                          APR Stage II ECU - APR 3" exhaust down pipe & high flow catalyst
                          APR/HP Roll bars - Eibach springs and Bilstien shocks
                          Supaloy lower control arms - Enkei 18*8 Wheels

                          Comment

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