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We just started carrying a new big brake kit for '00-'08 Boxster S and Cayman S!
"Upgrades the stock 305 mm brakes to 325 mm, and increases the brake pad surface area. This kit offers a substantial increase in braking power, with a factory look. This kit uses factory calipers, rotors, and brake pads. It also comes with a CNC machined rotor hat to fit your car, as well as Stainless Steel Brake Lines and Pentosin Racing Brake Fluid. This is a direct fit, comes with your choice of Red or Black calipers."
How much stopping distance will be required from sixty to zero with these over the standard calipers on a CS?
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Cayman S - a portable amusement park
The add is just a little bit confusing. at that price, it ought to have four rather than two brake caliper rotor sets.
Also, the offering for "red" for the Carerra is a little confusing, but that may just be me. Is it s different color of red? Are those going to say Carerra rather than Porsche?
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Transplant from Alaska => Arizona. I like it HOT!
Don'tmiss scraping my master's windshield, winter oil, winter tires, chains, pluggin' in the car over night--block water heater! and interior warmer. And having to put anti-freeze in my GAS!
the CS has 318mm front brakes, if i remember correctly... so is it really worth upgrading to 325mm? i guess the 305mm figure is the size of the 986 BoxsterS... but i am just guessing.
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"I couldn't find the sports car of my dreams, so I built it myself" - Dr. Ferdinand Porsche
It's good to see that Porsche offers a brake upgrade. If I were to upgrade my brakes, I would certainly feel most comfortable with a Porsche kit.
Steve, do you know if this can be used on a car with 17" wheels, or will the wheels need to be upgraded too?
Quote:
Originally Posted by fmarshall
How much stopping distance will be required from sixty to zero with these over the standard calipers on a CS?
I know they talk about increased stopping power and all, but the truth is that these brakes are not likely to stop a Cayman in any less distance than the stock brakes. Braking distance in modern Porsches is typically limited by traction, not brake size. For example, does a Cayman S stop in less distance than a Cayman? How about one with PCCB?
The primary advantage of larger brakes is heat dissipation, which translates into fade resistance. For those that don't know what I'm talking about, fade is what happens when the brakes are overheated. If the calipers gets hot enough, the fluid inside them can boil. If this happens, the brake pedal will go soft and the brake effectiveness will drop. To the driver, this feels like the brakes just stop biting (very scary).
On the street, brake fade is very uncommon because hard braking is usually a one time deal, to stop your car when some butt head pulls out in front of you. On the track, brake fade can be a problem because you are pounding the pedal over and over again, lap after lap, driving the brake temperatures up. It's in this circumstance that the Cayman S brakes will out perform the Cayman brakes, and the PCCB will out perform the Cayman S brakes. It's all about fade resistance.
Quote:
Originally Posted by chare
the CS has 318mm front brakes, if i remember correctly... so is it really worth upgrading to 325mm? i guess the 305mm figure is the size of the 986 BoxsterS... but i am just guessing.
There is a pretty nice comparison table in the PCCB FAQ that lists all three brake systems with rotor sizes, in inches and millimeters. The Cayman S comes with 318mm rotors, the Cayman with 299 mm and PCCB with 350 mm rotors.
This kit makes the most sense for a Cayman owner that wants more fade resistance.
Quote:
Originally Posted by titanic
Why only 325mm? Why not 380mm?
Assuming your being serious, 380 mm rotors would be 15 inches in diameter. Add a little room for the caliper and you'd probably have to run a 20" wheel to fit such larger rotors. 19" minimum.
Any of you S owners ever notice how close the front calipers are to the inside of your 18" wheels? And those are on 12.5" rotors.
Gator Bite,
Thanks a lot for answering a bunch of the questions!! And thanks for bringing up the wheel size, that's not something we had thought of. To be safe, I'm going to say that this brake kit will NOT work with the OE 17" wheels. I'm basing this off of the fact that the Tequipment catalog says that the OE 17" wheels will not fit on a 987 Boxster/Cayman S, and I can only assume that is because of the brake size. On the other hand, EvoMS is showing this as a kit for the 2.5L 986's which only had 16's and 17's. So we'll give the guys at Evo a call and see if they've tried these out with 17's, but for now I'm going to say 18"+.
Joe_Tule
The prices for these brake parts are more expensive than you might be used to. For example, the front calipers on a base Cayman are under $600 a pair, but for the 993 Turbo (which is what this kit is based off of), a pair of front calipers alone cost almost $1000. To address your other question, the C2/4 996's had black or silver calipers, so if someone wanted the kit in red, we have the matching rear calipers for their car.
Evolution Motorsports
http://www.evoms.com
We exist to satisfy our customers' addiction to speed and passion for high performance. We engineer, manufacture and offer the highest quality performance components for an elite group of extreme individuals. We are obsessed with delivering the ultimate level of performance through developing superior quality products, stringent testing and unparalleled customer service. Over time, we endure, evolve, persevere and have become omnipotent in our industry.
I know they talk about increased stopping power and all, but the truth is that these brakes are not likely to stop a Cayman in any less distance than the stock brakes.
This kit makes the most sense for a Cayman owner that wants more fade resistance.
Exactly. And if the stopping power does increase, then I want some numbers.
I already have zero fade with the stock brakes. I have only driven at Infineon, and I wasn't at the limit, so I may not be a good example of someone that could benefit from better braking. I know other folks have encountered pedal sponge, but I think that is correctable with better brake fluid.
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The search tool is your friend. It is very
likely that your question has already been
answered countless times.Very,very likely.
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Cayman S - a portable amusement park
MantisSport is working on a 355mm big rotor conversion. Using your original calipers and pads. 2/3 weeks away. just more heat sink and more braking power from fact the caliper is further out from the center of the wheel.
For the Ride of Your Life: Drive the Alcan! 
