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Model 3 "Performance Brake Calipers" just red or different altogether?
- Thread starter fiksegts
- Start date
PessimiStick
Member
Unless you are certain that their piston sizes are indeed different, until further proof with a physical check*, I would think they should probably have the same piston sizes based on the fact that the rear rotor size and caliper are the same on both models, being now the performance model has an oversize rotor of 355mm (vs. std 320mm), any further increase on the piston size would put too much bias towards the front.
Model S front is a 4 pot caliper with 40/44mm pistons and is the same as:
EVO 8/9/10 & Subie STi both are 40/46mm
*Anyone here has done this?
Model S front is a 4 pot caliper with 40/44mm pistons and is the same as:
Aston Martin DB9
Audi TTRS
CamaroSS (G5)
CTS-V (V1)
Mustang GT500
Viper (G3/4/5)
Brembo's GT40 (aftermarket)
Another mid range popular motorsports cars with 4 pot calipers are:Audi TTRS
CamaroSS (G5)
CTS-V (V1)
Mustang GT500
Viper (G3/4/5)
Brembo's GT40 (aftermarket)
EVO 8/9/10 & Subie STi both are 40/46mm
*Anyone here has done this?
Daniel in SD
(supervised)
There is brake proportioning valve which sets the pressure ratio from front to rear.
Lucky13
Member
It's really crazy to see the rear caliper look like a two piston caliper. It just looks heftier than needs to be for single sliding caliper design.
I keep getting excited for my performance model car but I decided not to go with the PUP but everyday question wether or not that is a good or bad move. Feel frickin crazy over here. 
I keep getting excited for my performance model car but I decided not to go with the PUP but everyday question wether or not that is a good or bad move. Feel frickin crazy over here.
Lucky13
Member
Can you please clarify if the wheel size showing in the pictures with "quarter" clearance is a 18" or 19" wheel.
Tks
It is neither. My understanding is that would be the 20" wheel that comes as part of the Performance Upgrade Package that includes the upgraded rotors and calipers.
Thank you.
The performance brake package has 355*/335mm rotors (w/red calipers) while 355mm rotor kit in genera requires 18" wheels to fit, and since it still shows 1" clearance (2" total for both sides), so most likely they are 20" wheels.
I assume the majority of M3 owners will have 18", which is also preferred by most track goers for availability and lower cost on tire replacement, thus a well built stock size light weight high performance 2pc rotors, and track pads shall be the prime consideration before BBK that requires 19/20" wheels.
* Same as model S front.
Has somebody actually measured them to know that? (I have seen it reported anywhere officially yet.)
The new STi has 6 piston front brakes.
My IS-F had 6 pistons calipers with 360mm rotors and 18" wheels fitted just fine.
I called into the 888-51TESLA number today with a couple of questions and I asked if the 19" sport wheels would fit over the Performance upgrade brakes. I don't think I believe it, but I was told that while they will fit the clearances are too tight for Tesla to officially approve.
Who knows.
Who knows.
Front 355mm diameter is a published dimension by Tesla, although same in diameter as S but must be in different thickness due to different calipers.
Published where? (And no the old manual that had "plus" brakes listed doesn't count since that was before the performance version existed and it has been removed from the manual.)
6 piston caliper does'nt necessary mean has a larger TOTAL piston area than a 4 piston caliper, which (area) is what the hydraulic force is applied.
It's generally true that a 6 piston caliper uses larger (wider and deeper) pad than a 4 piston caliper, for delivering a more evenly distributed brake force. Being the pad area is larger, it requires "less" hydraulic pressure for the same amount of work comparing to a 4 pistons caliper, therefor it's more efficient and also can extend the pad and rotor life due to lower operating temperature.
Above statement is based on the assumption that a brake is pushing to near or over it's threshold (eg. track applications), for street driving you may not feel the difference (4 or 6 pistons).
Unfortunately it will not due to different lug bolt hole pattern and caliper offset between S and 3.
Perry
Active Member
The HRE site states that the FF01's are not compatible with the Model 3. How did you get these on? They have no wheels with the 5x114.3 bolt pattern.HRE FlowForm FF01's FTW!
20x9.5 w/ 255/30/20 & 20x10.5 w/ 275/30/20. Email [email protected] for more info!
View attachment 318611 View attachment 318613 View attachment 318615
-Shane
Model 3 front OE 1pc rotor (320x25mm) weight (used @10,000 miles):
Track duty rotors (355x32mm) retrofit to model S caliper (compatible with model 3 hub/spindle) Rotor shown is still a model 3 rotor.
Track duty rotors (355x32mm) retrofit to model S caliper (compatible with model 3 hub/spindle) Rotor shown is still a model 3 rotor.
Lucky13
Member
Will 18s fit over those? I am pretty sure not but always worth asking.Model 3 front OE 1pc rotor (320x25mm) weight (used @10,000 miles):
Track duty rotors (355x32mm) retrofit to model S caliper (compatible with model 3 hub/spindle) Rotor shown is still a model 3 rotor.
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