RR Racing Brake Development -- Competition and Street

[sickmint79]

Originally Posted by Lynxis

I recall that I had mentioned previously that I would measure the caliper pistons next time I was in there. 1.615 inches based on my cheap digital caliper for the Sport Performance kit.

cool confirms your other post. i need to update my article on this fo sho!

[Four_wheel_drifts]

Anyone running or know if the wheels from the new BRZ performance package fit over the Stage 2 RR kit?

[Lynxis]

Originally Posted by Four_wheel_drifts

Anyone running or know if the wheels from the new BRZ performance package fit over the Stage 2 RR kit?

I'm completely confident the PP wheels will fit over stage 1/3 kits since OEM wheels only need a 5mm spacer to fit comfortably over those kits but not certain about the 2/4 kits. I understand Brembo calipers are usually on the "wide" side of the spectrum for brake calipers so chances are good that even the stage 2/4 kits will fit under the PP wheels but I just can't promise that without more information on the sizing of the PP Brembos.

[ryoma]

Originally Posted by Lynxis

I'm completely confident the PP wheels will fit over stage 1/2 kits since OEM wheels only need a 5mm spacer to fit comfortably over those kits. A better question is if the SP kit or stage 3/4's wider calipers will fit as well. I haven't seen any measurements or templates for the PP Brembos yet so I can't promise anything there.

That said, I understand Brembo calipers are usually on the "wide" side of the spectrum for brake calipers so chances are good that even the stage 3/4 kits will fit under the PP wheels but I just can't promise that without more information on the sizing of the PP Brembos.

stage 3/4 kits use the same calipers as the stage 1/2 kits so as long as stage 1/2 fits, then 3/4 will fit as well. (stage 1 -> stage 3; stage 2 -> stage 4)

[Lynxis]

Originally Posted by ryoma

stage 3/4 kits use the same calipers as the stage 1/2 kits so as long as stage 1/2 fits, then 3/4 will fit as well. (stage 1 -> stage 3; stage 2 -> stage 4)

Oh yes, my mistake, I was confusing the stages. 1/3 have the slim caliper, 2/4 have the wide caliper. Will edit my post for clarity.

[FRS311]

I'm considering the stage 2 kit.

Here is the fitment for my Mach V Awesome wheels with the template for the stage 2 kit. It has plenty of clearance, thankfully




Here's the clearance between the caliper and the wheel spokes with a ruler to help gauge the distance:

[Lynxis]

Oh guess I can post, SP kit fits behind whatever the hell these wheels are:



They're 17x7 +48 but that's about all I can find about them.

[choi0706]

can you make them fixed 2 piece rotors?

[mulekr1]

Will stage 1 clear a 18x 9.5 +38 rpf1? Looked through the hold thread could only find info about the sport package not clearing

[Lynxis]

Originally Posted by mulekr1

Will stage 1 clear a 18x 9.5 +38 rpf1? Looked through the hold thread could only find info about the sport package not clearing

Realise this is a bit late but basically, if the SP kit doesn't fit, then the stage 1/3 kits definitely won't fit either.

[Pointmutation]

Originally Posted by Lynxis

Realise this is a bit late but basically, if the SP kit doesn't fit, then the stage 1/3 kits definitely won't fit either.

I just checked the template on my wheels, Sparco Assetto Gara 17x7.5 +48, and while the SP was too close for comfort, the Stage 1 had tons of room to spare. The SP caliper juts out a bit more than the Stage 1, based on the template anyway.

[Pointmutation]

Originally Posted by Pointmutation

I just checked the template on my wheels, Sparco Assetto Gara 17x7.5 +48, and while the SP was too close for comfort, the Stage 1 had tons of room to spare. The SP caliper juts out a bit more than the Stage 1, based on the template anyway.

Installed these the other day and have confirmed fitment of the Stage 1 kit with 17x7.5 +48 Sparco Assetto Gara wheels.

Also got the sport performance rears. Initially immediately after install, the rears were dragging like some others have experienced. It felt like the parking brake was partially engaged. After bedding the brakes it's fine now.

Initial impressions, I'm just on BP10's and my mileage is split about 50/50 between daily driving and touge/canyon carving (I live at the base of our mountain). Brakes feel good running hard. I can go faster and deeper into my brakes zones with more confidence. And the car feels like it doesn't dive as much. Also, there is less heat being transferred to the wheels (touching the spokes of the rims after a run, it's cooler than before). Regarding noise, one squeak before proper bed in on a slower turn (windows down). And once on a turn when I got them pretty hot (windows down). Otherwise I haven't heard any other squealing yet. Cold bite was surprisingly lacking. And hot bite I wish was a bit better. But for DD duty it's fine. Maybe I'll try BP20's next?

Pic of the car with it installed... The calipers are painted black with no logo. Except for the larger/slotted rotors, it's pretty discrete and doesn't draw extra attention to itself, which I like...

[cruizin01]

Anyone have issues with high pitched squeeling? Ive had 2 sets of street pads including bp20's and they all squeel bad. Stg2 fronts and sport rears. Ive tried just abiut everything. About to dump the brakes.

Sent from my SM-G930V using Tapatalk

[Icecreamtruk]

Originally Posted by cruizin01

Anyone have issues with high pitched squeeling? Ive had 2 sets of street pads including bp20's and they all squeel bad. Stg2 fronts and sport rears. Ive tried just abiut everything. About to dump the brakes.

Sent from my SM-G930V using Tapatalk

Bed the brakes, use them for something else than looking at them. Go to a track, a canion, anything and run them till they get very hot. They will stop squealing, at least for a couple of weeks.

Or run purely street pads, like ceramic hawks.