PCCB very dusty!
10-28-2021, 06:19 PM
#46
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AlexCeres (10-28-2021),
Dale Allen (11-06-2021)
10-28-2021, 07:01 PM
#47
10-28-2021, 07:04 PM
#48
I did a bit of digging, and it looks to me like the current 992 GT3 and 718 GT4/Spyder with PCCB share pad part numbers. If this is true, theu run a different pad shape than the 991.2 GT3 with PCCB.
10-28-2021, 07:32 PM
#49
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Thread Starter
10-28-2021, 08:01 PM
#50
10-28-2021, 08:09 PM
#51
The 718 GT4 PCCB caliper pad shape is different than then iron version and the 991 GT3 versions? That's news to me.
10-28-2021, 09:26 PM
#52
The 991.1 and 991.2 GT3 with iron discs uses,a pad that is 198mm wide and which has a pad depth of 62mm.
The 991 GT3 with PCCB uses a pad which is also 198mm wide, but with a depth of 74mm. So the two 991 GT3 cars uses the same caliper, but depth is different due to different rotor radius.
if you want to see the drawings, you can cross reference them on Pagids website.
718 GT4 PCCB fronts have pad shape 4908
991 GT3 Iron is pad shape 4924
991 GT3 PCCB uses pad shape 4927
What might have led to this assumption, it the fact that the 718 GT4 with iron rotors share pads with the GT3 with iron rotors.
Last edited by Il CP; 10-28-2021 at 09:33 PM.
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Chris C. (10-30-2021)
10-29-2021, 09:14 AM
#53
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Thread Starter
The 718 PCCB uses a pad that is 193.6 mm wide, and with a 65mm pad depth.
The 991.1 and 991.2 GT3 with iron discs uses,a pad that is 198mm wide and which has a pad depth of 62mm.
The 991 GT3 with PCCB uses a pad which is also 198mm wide, but with a depth of 74mm. So the two 991 GT3 cars uses the same caliper, but depth is different due to different rotor radius.
if you want to see the drawings, you can cross reference them on Pagids website.
718 GT4 PCCB fronts have pad shape 4908
991 GT3 Iron is pad shape 4924
991 GT3 PCCB uses pad shape 4927
What might have led to this assumption, it the fact that the 718 GT4 with iron rotors share pads with the GT3 with iron rotors.
The 991.1 and 991.2 GT3 with iron discs uses,a pad that is 198mm wide and which has a pad depth of 62mm.
The 991 GT3 with PCCB uses a pad which is also 198mm wide, but with a depth of 74mm. So the two 991 GT3 cars uses the same caliper, but depth is different due to different rotor radius.
if you want to see the drawings, you can cross reference them on Pagids website.
718 GT4 PCCB fronts have pad shape 4908
991 GT3 Iron is pad shape 4924
991 GT3 PCCB uses pad shape 4927
What might have led to this assumption, it the fact that the 718 GT4 with iron rotors share pads with the GT3 with iron rotors.
Given all of this helpful info… I canceled my order for the 991.2 pads. We may be stuck with the RSC1 pads as the only option.
10-29-2021, 11:12 AM
#54
May want to look into that as an alternative
10-29-2021, 12:43 PM
#55
The 718 PCCB uses a pad that is 193.6 mm wide, and with a 65mm pad depth.
The 991.1 and 991.2 GT3 with iron discs uses,a pad that is 198mm wide and which has a pad depth of 62mm.
The 991 GT3 with PCCB uses a pad which is also 198mm wide, but with a depth of 74mm. So the two 991 GT3 cars uses the same caliper, but depth is different due to different rotor radius.
if you want to see the drawings, you can cross reference them on Pagids website.
718 GT4 PCCB fronts have pad shape 4908
991 GT3 Iron is pad shape 4924
991 GT3 PCCB uses pad shape 4927
What might have led to this assumption, it the fact that the 718 GT4 with iron rotors share pads with the GT3 with iron rotors.
The 991.1 and 991.2 GT3 with iron discs uses,a pad that is 198mm wide and which has a pad depth of 62mm.
The 991 GT3 with PCCB uses a pad which is also 198mm wide, but with a depth of 74mm. So the two 991 GT3 cars uses the same caliper, but depth is different due to different rotor radius.
if you want to see the drawings, you can cross reference them on Pagids website.
718 GT4 PCCB fronts have pad shape 4908
991 GT3 Iron is pad shape 4924
991 GT3 PCCB uses pad shape 4927
What might have led to this assumption, it the fact that the 718 GT4 with iron rotors share pads with the GT3 with iron rotors.
E.g., perhaps the 991 PCCB pads are compatible with the 992 PCCBs after all, despite these small differences in pad swept area and backing plate outline.
10-29-2021, 01:12 PM
#56
Thanks for the specs! What is still not clear to me though is if each of these pad shapes are still cross compatible with the PCCB calipers in each of these models, and if so, what the nuanced differences are in pad material overlap with the rotor (or worst case the hat).
E.g., perhaps the 991 PCCB pads are compatible with the 992 PCCBs after all, despite these small differences in pad swept area and backing plate outline.
E.g., perhaps the 991 PCCB pads are compatible with the 992 PCCBs after all, despite these small differences in pad swept area and backing plate outline.
10-29-2021, 04:08 PM
#57
I’d take a little brake dust over the dreaded Squeal… but that is disappointing. My order isn’t locked yet and I’m getting black pccb’s- maybe I should think about black steel brakes. Thanks Sean!
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Orca911 (05-06-2023)
10-29-2021, 04:39 PM
#58
Planned on doing the same -- black pccbs. Going to follow this thread until my lock date to see if this changes my mind. Silver wheels so weight and lack of dust were my primary motivations.
10-29-2021, 05:00 PM
#59
Rennlist Member
Thread Starter
According to my dealer they do not have the same part numbers. I am getting the part numbers for the 992 and 2021 gt4 pccb cars and will use that to dig a little.
10-29-2021, 05:12 PM
#60