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mrh1275
Original Poster
737 posts
71 months
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I'm hoping my GT3 will have ceramics, this is probably a daft question ! if the ceramics need replacing under my ownership can this be done for the same price as steels but keeping the look of large yellow ceramics ? Thanks for any advice. 
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keep it lit
1,951 posts
36 months
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steel brakes are hundreds to replace per corner.. where as ceramics are thousands to replace per corner.
ceramics are ultimately greater brakes... just lack that initial feel.
ade
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RatBoy M3CSL
1,353 posts
65 months
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..if they do need changing, which is most unlikely unless the cars has been beaten to death on the track, go for some Alcon 380's, they will be sharper than the PCCB's on the road, you will soon find out..!
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mrh1275
Original Poster
737 posts
71 months
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Thanks for the info guys, so if I were to replace them with Alcons , they would still retain the yellow Porsche callipers ?..
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911p
1,855 posts
49 months
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mrh1275 said: Thanks for the info guys, so if I were to replace them with Alcons , they would still retain the yellow Porsche callipers ?.. Yes, you're replacing the discs and pads not the callipers themselves.
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mrh1275
Original Poster
737 posts
71 months
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S1MMA
1,728 posts
88 months
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Hi mate, 997 GT3 I assume?
All 997 GT3 has 380mm ceramics on the front, which I believe are straight swap for the Gen 2 steels up front (also 380mm) if you want to keep porsche part numbers. The gen 1 steels were 350mm so don't fit.
The rears are where it gets tricky. I believe there are some cup rear discs that are the right size, but not sure if they fit straight on. anyone have details?
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supermono
6,246 posts
117 months
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Yes 997 cup rears fit right on, i ran a set for a while speak to Gert.
SM
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Sandy59
1,122 posts
80 months
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RatBoy M3CSL said: ..if they do need changing, which is most unlikely unless the cars has been beaten to death on the track, go for some Alcon 380's, they will be sharper than the PCCB's on the road, you will soon find out..! I'm not sure I could comfortably drive anything with sharper brakes than my PCCBs, way sharper than any Porsche steels I've tried, no experience of these Alcons though.
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DiscoColin
2,228 posts
83 months
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S1MMA said: All 997 GT3 has 380mm ceramics on the front, which I believe are straight swap for the Gen 2 steels up front (also 380mm) I have been told from a couple of different sources that on at least the Gen 1 a swap from ceramic to steel with OE parts is a different set of callipers (not just for the colour). If in warranty, buy a car with steel. If not, switch to Alcons or one of the other compatible options. Replacing ceramic rotors is in the region of £15k for a full set IIRC, so if you have them, look after them.
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Steve Rance
2,403 posts
100 months
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Anything that increases the rear brake bias on a 997 GT3 is not a good plan. It's too far rearward already. When you change to steels make sure that the conversion keeps the same bias or if anything moves it slightly forward.
If you go for a good steel set up such as Alcon or brembo with a good pad combination, performance will be similar but with a lot more initial bite and will cost several thousand pounds less
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S1MMA
1,728 posts
88 months
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DiscoColin said: I have been told from a couple of different sources that on at least the Gen 1 a swap from ceramic to steel with OE parts is a different set of callipers (not just for the colour). If the disc thickness of the steel is the same (which I believe it is) and the mounting setup is all the same (which I believe they are, defo for fronts, not sure on rears) then why do you need to change calipers? They are just a brake caliper after all? If you want to use different size discs then fair enough, but if you can source the same size hardware there shouldn't be a problem IMO.
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RatBoy M3CSL
1,353 posts
65 months
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Steve Rance said: If you go for a good steel set up such as Alcon or brembo with a good pad combination, performance will be similar but with a lot more initial bite and will cost several thousand pounds less Hurra, someone agree's.. I don't know what sort of brakes folk are used to if they think the PCCB's are sharp on 1st application braking.. I thought mine on my GT3 from cold, and more so in the wet, were almost dangerous, if you had to do an emergency stop you would pull up 10 metres earleir on steel 380's, on PCCB's you would most likely be embedded in some poor sods boot..!
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Steve Rance
2,403 posts
100 months
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The super cup drivers used to left foot brake a bit before the big stops as they lose thier heat so quickly. After Richard Westrbrook won the UK Carera cup and raced in Supercup he told me that the first time he used ceramics he nearly s***t himself 'nothing bloody happened'. Tried them on the track and road several times. Never been a big fan. I think that There are a lot of other upgrades that you can do to a 911 that will have far more benfit for a lot less money but each to his or her own.
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S1MMA
1,728 posts
88 months
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RatBoy M3CSL said: Hurra, someone agree's.. I don't know what sort of brakes folk are used to if they think the PCCB's are sharp on 1st application braking.. I thought mine on my GT3 from cold, and more so in the wet, were almost dangerous, if you had to do an emergency stop you would pull up 10 metres earleir on steel 380's, on PCCB's you would most likely be embedded in some poor sods boot..! I have read this before from you, but I haven't experienced it on my car. Ambient temp where I live doesn't fall below 15 degrees though generally, so I havent experienced PCCB in cold or wet come to think of it. Does it really make that much difference? Even steels are affected by temp though, decent coefficient of friction value for any brake pads needs at least some heat.
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Dr S
3,216 posts
95 months
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RatBoy M3CSL said: Hurra, someone agree's.. I don't know what sort of brakes folk are used to if they think the PCCB's are sharp on 1st application braking.. I thought mine on my GT3 from cold, and more so in the wet, were almost dangerous, if you had to do an emergency stop you would pull up 10 metres earleir on steel 380's, on PCCB's you would most likely be embedded in some poor sods boot..! No "real world" problem from cold with my PCCBs. The first time I left a car wash I almost crashed the car for the reason you describe...
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jsb
98 posts
67 months
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car wash....what...are you mad...blah blah!
Only joking, find my PCCB truely awful in sub 2 degree conditions, especially coming off motorway and needing to brake having not used them for some period on the mway
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RatBoy M3CSL
1,353 posts
65 months
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.. well my 1st exp on these sooper dooper PCCB's was not the best, I didn't make the juntion I wanted by some margin and sailed straight past it, taking chunks out of my seat with the cropper muscle as I did so, I thought they were crap, or someone had removed my pads..!, on the track hot they are good, but still no where near as sharp as a good steel A/P or Alcon set up on RS29's.
I did like the 380mm look on yellows, and the zero brake dust was a bonus, but the road braking itself was way below my expactations, I wouldn't spec them again, the gen2 cars come with steel 380's anyhow, most likely due to the reasons above, folk bang on about how brilliant they are, but IMO they just aren't..!
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Phooey
6,102 posts
38 months
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Had them on 2 cars. Never used them on track or in total anger but can't fault them. Steels on GTS stopped me from 170 at Vmax, so can't fault them either 
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Sandy59
1,122 posts
80 months
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RatBoy M3CSL said: .. well my 1st exp on these sooper dooper PCCB's was not the best, I didn't make the juntion I wanted by some margin and sailed straight past it, taking chunks out of my seat with the cropper muscle as I did so, I thought they were crap, or someone had removed my pads..!, on the track hot they are good, but still no where near as sharp as a good steel A/P or Alcon set up on RS29's.
I did like the 380mm look on yellows, and the zero brake dust was a bonus, but the road braking itself was way below my expactations, I wouldn't spec them again, the gen2 cars come with steel 380's anyhow, most likely due to the reasons above, folk bang on about how brilliant they are, but IMO they just aren't..!
Did you ever get them checked out, I'd suspect a pad issue maybe ?? From my own experience I'd say they don't like being on track with the standard pads, I did this once and afterwards all sharpness had gone, and I was left with very 'dull' uninspiring brakes which also squealed a bit. Had my OPC check them over and they basically said the front pads were toast, glazed with small cracks all over. I bit the bullet and replaced them, all sharpness returned, squealing gone, and full confidence restored. I'm on my second car with PCCBs now and not one issue to date with road use only, hot or cold (Aberdeen), wet or dry, they feel far superior to any steel brakes I've tested on a selection of new Porsches whether local courtesy cars or at the Porsche Experience Centre. I will concede following a wash, they won't work for a couple of hundred metres, not sure if the soapy water sticks to them, but soon back to normal, and no issues at all in heavy rain. So for anyone out there with 'dull' and uninspiring PCCBs, I strongly suggest there is an underlying issue that's spoiling firstly your actual braking, and secondly your enjoyment and general experience with them.
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