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A real good brake setup

bostonaudi

Go Kart Champion
Location
Charleston, SC
Car(s)
1995 BMW M3
you had any noise so far?

did you use any damping plates or whatever they are called?
No noise at all. Yes they have dampers that insert into the pistons and stick to the pads. Only negative is stock Huffs need a 4mm spacer, so I had to bump the front studs from 50 to 57mm.
 

Carfreak226

Detailer Extraordinaire
Location
92808, CA
Car(s)
2007 GTI MKV
Do you have the caliper adapter kit available to us if the rest of us want to run this setup? 4 Season Tuning said they had made one but it caused a really horrible screeching resonance with the frame. I'd like to avoid that if possible.

EDIT: Nevermind. Found the Pure Motorsport carrier.
 

HemiAlex

Ready to race!
Location
Houston
Ive read that before but forgot quite a bit of it. Sounds like cementite inclusions may have formed early on and theres no way to fix that aside from replacing them. Why that happened I dont really know.

Sweet phase diagram reference. Talk metallurgy to me lol.
 

cruizin01

Go Kart Champion
Location
C-bus Ohio
Car(s)
07 Rabbit
John on a similar note, I test fit the boxster S calipers this week. They seem like they may offer a slightly stronger setup. The pad is quite a bit taller and uses more of the rotor (320mm) surface. The only issues seems to be possible wheel fitment. My OZ's wont clear without a spacer which isn't a problem with my 17z's. Ill have to wait for my new wheels to show before deciding whether to keep them or not. Should make for another good brake option if the correct wheels are fitted.
 

the bruce

Go Kart Champion
Location
land
Car(s)
Golf GTI Mk.V 2008
piston sizes are the same on both:



some more:


piston area



1. stock front:


O2 RS/Golf/GTI - Ate FN3 54 mm: 2290 mm²

S3/R32/R - FNRG 57 mm: 2552 mm²



2. aftermarket - fits properly:


AP Racing 6-pot CP7068 (355x32 ) > 2350 mm² (special version of CP7040-caliper for Golf V/VI, Scirocco etc.)

AP Racing 6-pot CP5570: 27.0 + 31.8 + 38.1 > 573 mm² + 794 mm² + 1140 mm² = 2507 mm²

Boxster: 40 mm + 36 mm > 1257 mm² + 1018 mm² = 2275 mm²

Boxster S: 40 mm + 36 mm > 1257 mm² + 1018 mm² = 2275 mm²

993 Turbo: 36 + 44 mm > 1018 mm² + + 1520 mm² = 2538 mm²

Brembo GT 'A-caliper': 40 mm + 36 mm > 1257 mm² + 1018 mm² = 2275 mm²

Stoptech ST-40: 38 mm + 34 mm > 908 mm² + 1134 mm² = 2043 mm²

Mov'it:

4s2 - 36 / 44 = 2538 mm²
4s3 - 36 / 44 = 2538 mm² (u.a. als VAG-Kit mit 322x32er Scheibe, geht unter 17")
4m6 - 36 / 44 = 2538 mm²
6m1 - 28 / 32 / 38 = 2554 mm²



3. aftermarket - mismatch:


Forge: 707 mm² + 1046 mm² + 1164 mm² = 2917 mm²

Mov'it:

4s4: 40 / 44 = 2777 mm²
4s5: 38 / 46 = 2796 mm²
6m3: 30 / 34 / 38 = 2749 mm²


Brembo 8-pot RS4/R8/Gallardo: 28 + 28 + 32 + 32 mm > 2840 mm²

Brembo 8-pot RS6 : 4192 mm²

996 Turbo: 40 + 44 mm > 1257 mm² + 1520 mm² = 2777 mm²

Q7/Touareg/Cayenne (there are 3):

34/36/38 mm : 907.920 + 1017.876 + 1134.115 = ~ 3060 mm²
32/36/38 mm : 804.248 + 1017.876 + 1134.115 = ~ 2956 mm²
30/34/38 mm : 706.858 + 907.920 + 1134.115 = ~ 2749 mm²



4. master cylinder:


- 22,22 mm > 388 mm² (some Golf V, evtl. some Scirocco etc.)

- 23,81 mm > 445 mm² (Golf V R32, Golf V GTI, Golf VI GTI, Golf R, Scirocco 2.0T + R)

- 25,40 mm > 507 mm² (RS3 + TT-RS)



5. rear:


GTI/RS: C38 > 1134 mm²

S3/R32/R: C41 > 1320 mm²

Movit 4m1: 28 / 30 = 1323 mm²

Movit 4m2: 28 / 30 = 1323 mm²



Pi * Radius² = area
 

HemiAlex

Ready to race!
Location
Houston
John on a similar note, I test fit the boxster S calipers this week. They seem like they may offer a slightly stronger setup. The pad is quite a bit taller and uses more of the rotor (320mm) surface. The only issues seems to be possible wheel fitment. My OZ's wont clear without a spacer which isn't a problem with my 17z's. Ill have to wait for my new wheels to show before deciding whether to keep them or not. Should make for another good brake option if the correct wheels are fitted.
I would like a 4 piston/r32 rotor option for the rear of our cars to compliment the 17z up front. I'm getting ready to install my 17z/330mm with a 17x8ET45 BBS LM. I think it should clear.
 

bostonaudi

Go Kart Champion
Location
Charleston, SC
Car(s)
1995 BMW M3
John on a similar note, I test fit the boxster S calipers this week. They seem like they may offer a slightly stronger setup. The pad is quite a bit taller and uses more of the rotor (320mm) surface. The only issues seems to be possible wheel fitment. My OZ's wont clear without a spacer which isn't a problem with my 17z's. Ill have to wait for my new wheels to show before deciding whether to keep them or not. Should make for another good brake option if the correct wheels are fitted.
Is that a stock or bigger rotor?

My Enkei's fit great, but had to use 4mm spacer with Huffs.
 

cruizin01

Go Kart Champion
Location
C-bus Ohio
Car(s)
07 Rabbit
Is that a stock or bigger rotor?

My Enkei's fit great, but had to use 4mm spacer with Huffs.
320mm rotor.

I'm thinking the "offset" on the rotor might be further out causing the caliper to sit more outward. Which in turn causes fitment issues. Ill look it up here in a bit.

Sent from my Galaxy Nexus
 

izzyandsue

Passed Driver's Ed
Location
Charlotte NC
Hello all, I am new to this forum and new to GTI / front wheel driving on for track days. Got an 08 GTI that is stock for daily driving of my kids, and modified for weekend track. The mods are:
APR rear sway bar
APR Stage 1 (with deactivation)
17 in dedicated track wheels and tires
EBC slotted rotors
EBC Yellow pads
Removed heat shields (added heat tape)
Flushed Super Blue brake fluid

I run the car in CMP, where I have been a member for almost 8 years, know the track well. Stock, the brakes would fade after 3-4 laps. My first time out after mods, 40 minute sessions, zero brake fade. I am still learning how to drive the car, but got it down to 2 mins flat. I found this to be a great combo for track day and consistent times. CMP is a brake heavy track, and with the extra HP I am a few seconds shy of my best times with E46 M3 for my personal comparison.
 

bostonaudi

Go Kart Champion
Location
Charleston, SC
Car(s)
1995 BMW M3
Hello all, I am new to this forum and new to GTI / front wheel driving on for track days. Got an 08 GTI that is stock for daily driving of my kids, and modified for weekend track. The mods are:
APR rear sway bar
APR Stage 1 (with deactivation)
17 in dedicated track wheels and tires
EBC slotted rotors
EBC Yellow pads
Removed heat shields (added heat tape)
Flushed Super Blue brake fluid

I run the car in CMP, where I have been a member for almost 8 years, know the track well. Stock, the brakes would fade after 3-4 laps. My first time out after mods, 40 minute sessions, zero brake fade. I am still learning how to drive the car, but got it down to 2 mins flat. I found this to be a great combo for track day and consistent times. CMP is a brake heavy track, and with the extra HP I am a few seconds shy of my best times with E46 M3 for my personal comparison.
I've run that track a few times in my GTI as well, I was doing mid 1:50's last time out pushing it hard, it is very hard on brakes. I'd suggest DTC-60 pads. 2 min laps not bad at all. A softer suspension works well there, the strip from 13-14 is rough.
 
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