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Brakes

Brake System 101: Rotors and Pads

By Richard Fong

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There’s no point in being able to go if you can’t stop. While an engine provides motility to a car, the braking system is what brings your vehicle to a stop. Typical brake systems are hydraulic and include a pedal, master cylinder, hydraulic lines, calipers, rotors and pads. The braking system is not only an important performance element, it’s also an imperative for safety and the safe operation of a vehicle.

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As is often the case, many standard vehicle components are designed as a compromise of quality versus price. With the exception of premium vehicles that include performance brake components from the factory, most vehicles are equipped with little more than adequate braking systems. Take that vehicle to the track or even on a spirited drive, and you’ll quickly learn its shortcomings. Imagine accelerating down a stretch and then braking just before engaging a turn or a series of switchbacks. The first time works fine, shaving speed and hitting the apex of the turn with ease. One or even two laps later, that same braking area seems to get shorter, as you soon find yourself stomping on the brakes to adjust your speed in order to engage that same turn. The pedal feels mushy, the brakes don’t have any bite and before you know it, you’re way past the apex and are either off line or off track. This is the ugly face of an insufficient brake system, known as fade.

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Fade isn’t your friend. Brake fade is the enemy of safe and reliable braking. Brake fade occurs when the friction efficiency and/or heat capacity of the brake pads or rotors is exceeded and the ability of the brake system to slow or stop the vehicle becomes compromised. Whether it be on a twisty mountain pass or on a racetrack, finding the limits of braking leaves much to be desired. Fortunately, a quick look toward the aftermarket could be the answer to your problems, as it probably offers a solution for your application.

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Bring Back the Friction

One of the first and most straight-forward upgrades you can invest in are brake pads. Brake pads, like rotors and fluid, are wear items that can be upgraded. Brake pads are composed of a backing plate and a friction compound that creates friction when placed in contact with the brake rotors, enabling a vehicle to stop.Brake pads offered by STILLEN, Ferodo, Hawk Performance, Mintex, Pagid and T-Rex are offered in a variety of friction compounds ranging from organic and ceramic to semi-metallic. Each pad type and compound is optimized depending on your vehicle’s intended purpose.

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Organic

(Common OEM Material)

Pros: Less aggressive rotor wear, decent initial bite, manageable brake dust generation

Cons: Mediocre braking performance, tends to wear quickly, prone to brake fade

MintexRacingNASCARPads_2

Ceramic

(Common OEM Material, Aftermarket Upgrade)

Pros: Moderate rotor wear, good wear characteristics, less prone to brake fade, moderate dust production, ideal for rotors lacking slots or cross drilling, the middle ground between organic and semi-metallic pads

Cons: Higher cost, limited compound options, less aggressive friction traits, not ideal for the track
HawkFrontPads

Semi-metallic

(Common Aftermarket Material, Aftermarket Upgrade)

Pros: Broad selection of available compounds, improved resistance to fade, improved heat rejection when used on slotted or cross-drilled rotors, permits tailoring of braking performance traits depending on driving conditions by changing compounds

Cons: Potentially aggressive rotor wear, excessive dust, noise (brake squeal)

Pick Your Pad

Organic pads offer good initial bite (initiation of friction and slowing of the vehicle) and modulation for daily driven vehicles, but generally suffer rapid wear and fade when subjected to aggressive driving. Ceramic pads cost more but take the best traits of organic pads and can add longevity as well as reduced brake dust production. However, these pads suffer accelerated wear under heavy loads and are not ideal for track or heavy-duty braking situations. Semi-metallic pads tend to resist fade better and offer superior heat capacity and dissipation compared to organic or ceramic pads. They are offered in a variety of compositions enabling the end user to choose the braking characteristics desired of their vehicle. When choosing a semi-metallic pad, aggressive initial bite could be desirable in the case of a vehicle driven hard for short intervals. The counterpoint is that this pad could eventually suffer from fade with prolonged aggressive driving. By comparison, a semi-metallic pad formulated for endurance offers increased heat capacity for longer driving intervals but will likely lack initial bite when cold and suffer reduced braking performance until brought up to optimal operating temperatures. This is not ideal for short driving intervals or street driving since the ideal temperatures are much higher and might not be reached under these conditions.

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Release the Heat

Another common brake system improvement involves upgrading the surface that the brake pads apply friction to, the brake rotors. Brake rotors are not only a friction surface, they’re also heat sinks. This means that they must draw away and dissipate the heat produced by the friction with the pads efficiently to ensure consistent braking performance and to stave off brake fade. Factory brake rotors are typically composed of iron due to cost, longevity and heat capacity for the everyday driver. However, to save on cost, typical factory rotors do not benefit from the design elements and heat dissipation characteristics of aftermarket brake rotors.

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Fighting Fade

Aftermarket brake rotors, like those offered by STILLEN, AP Racing and DBA, can feature a variety of benefits thanks to engineering innovations such as improved vane design (in the case of vented rotors) as well as cross drilling, slotting and other surface treatments. In the search for improved methods of heat dissipation, some manufacturers of vented rotors have implemented proprietary vane designs to facilitate improved airflow for better cooling of the rotors. As an added measure of cooling, some have turned to cross-drilling the rotor surface. However, it is not unheard of for cracks to develop between the holes of a cross-drilled rotor after repeated heating and cooling cycles over time. Another brake rotor type is the slotted rotor. The slots cut into the rotor surface help to optimize the friction surface area while helping to release the gasses that build up between the friction material of the pad and the rotor surface. However, this rotor type also causes accelerated wear on the pads, shortening the typical service life of the pads.

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Step Up and Stop Better

With a better grasp of the basics of brake upgrades and the first steps toward better braking for both performance and safety, contact us to order your upgrade today! Do you have more questions about what would be right for your application? Reach out to us at 866-250-5542, at sales@stillen.com or by live chat on our website stillen.com to help you select the product that best suits your needs.IMG_8172

In our next installment of STILLEN University, we’re going to explore brake system upgrades in greater detail. Check back with us soon!

To see more brake products, check out the following links!

STILLEN Brake Products

AP Racing

Disc Brakes Australia (DBA)

 

You might be wondering… When it’s time to replace your brake rotors, should you upgrade your brake rotors or just replace them with identical OEM rotors? One tip the STILLEN brake experts offer: consider how you use your car.

Is it a daily driver used for commuting and errands? Are you an enthusiast who lives for the open road and canyon carving? Or maybe you participate in autocross or track days.

Regardless, there are many choices in rotors, and one way to shop for replacement brake rotors, as well as brake pads and brake fluid is with a Good- Better – Best approach.

For more info about this approach, check out this how-to video from STILLEN expert Mark.

 

Brake Rotor Upgrade Level: GOOD

Drivers seeking a good rotor that offers a performance and durability upgrade from OEM rotors should consider upgrading to STILLEN OEM replacement brake rotors.  They are well suited for aggressive driving and the occasional track day.

Features include straight cut vanes, zinc coating, chamfered slots and precision ground friction surfaces.  Multiple machining options are available, from slotted to cross drilled to the popular hook slot hybrid finish.

Available for virtually any passenger vehicle on the road today, STILLEN sport rotors are proudly Made in USA.

Brake Rotor Upgrade Level: BETTER

For hard core enthusiasts and track day fans concerned with high temperature heat management, a better option might be the DBA 4000 series brake rotors. These discs offer more sophisticated metallurgy for longer life.

They also feature DBA Kangaroo Paw vane technology. These vanes are multi-directional, meaning they draw cooling air in from any direction.

This improves heat dissipation and also permits the rotors to be mounted on both driver and passenger side hubs. Another stylish touch is the available gold rotor vanes and hats.

Brake Rotor Upgrade Level:  BEST

The ultimate brake rotor upgrade could be the DBA 5000 series.  Suitable for frequent track use, these rotors offer the Kangaroo paw vane technology and improved metallurgy of the 4000 series, but add a two piece design.

The rotor hat is a separate assembly that is bolted to the brake rotor. This helps isolate the wheel hub bearings from excess heat, reduces brake vibration caused by rotor warping under heavy use, and offers weight savings as well.

One indicator the DBA 5000 series are meant for serious drivers is the brake temperature paint applied to the rotor edges. These indicators help drivers ascertain the temperature range their brake system is operating in.

This in turn helps determine proper brake pad and brake fluid selection for track use.

Brake Pad Replacement and Upgrades

It’s always advisable to replace brake pads when mounting new rotors. STILLEN Metal Matrix brake pads offer a nice blend of bite and power along with reduced dust and noise. This makes them ideal for street and occasional track use.

Other brake pads might be better suited for full-on track use, such as the Hawk HPS 5.0s or Ferodo DS2500 HP.

Brake Fluid Replacement

When you’re considering brake system upgrades, it’s essential to include brake fluid replacement in the thought process.

One popular opinion is that it’s best to upgrade to racing brake fluid.

As STILLEN brake expert and all-around good guy Mark explains, this is a common misconception.

While your OEM brake fluid does have a limited heat capacity, so does your OEM brake system. Upgrading your rotors and pads does give you a higher threshold, but your calipers still have a limit.

If you upgrade your brake fluid past what the calipers can handle, you could exceed your brake systems operating envelope without knowing it. Should it occur, brake fluid boiling is an indicator that your brake system is overheating.

Going with a little bit of an upgrade is fine, but you don’t need to go with a full-on race brake fluid.

While shooting the how to video for brake upgrades, Mark installed the DBA 4000 series rotors and STILLEN Metal Matrix brake pads on his Subaru BRZ and had the following to report:

“After we finished the install on the brakes, we moved onto the bed-in procedure then onto our test drive and you could really feel the difference. Our stopping distances were much shorter, our initial bite was much better and brake fade was much less apparent as the brakes heated up so this is an awesome upgrade for the BRZ or for any vehicle. You can really improve your driving experience.”

Questions About Brake Rotors?

Our brake experts are standing by and will stop at nothing to help you in quest for better braking. Take a brake from whatever you’re doing and call them at 866-250-5542!

It’s that time of year again.. thousands are burning up the 30+ miles worth of carpeted aisles at the infamous SEMA Show in Las Vegas!  The STILLEN Team is no exception, with a big booth introducing the world to the new AP Racing Radi-CAL line of calipers used in the STILLEN-engineered Big Brake Kits.

AP Racing Radi-CAL Brake Caliper Launch at SEMA with STILLEN

These new Radi-CAL road calipers get there heritage from the racing Radi-CAL high performance calipers launched in motorsports in 2007, which have been dominating the likes of F1, F3, NASCAR and countless others.  This new caliper design features a 2-piece aluminum body with H-structure, and a non-symmetrical design developed to have a large reduction in mass yet improved resistance to braking torque.  Another benefit is increased caliper cooling surface without decreasing structural rigidity.

AP Racing Radi-Cal By STILLEN with Black Caliper

STILLEN has developed applications for many popular setups, which are listed below, and have plans to continue to grow the line.

We will be releasing much more information as we return from SEMA, and the response has already been overwhelming at it’s introduction!

When nothing but the best will do, serious customers look to AP Racing and STILLEN.

STILLEN / AP Racing Booth at SEMA 2013

STILLEN / AP Racing Booth at SEMA 2013

Radi-CAL in red

 

Radi-CAL in black

GTR Brakes

STILLEN Announces CCM-X – The next generation of Carbon-Ceramic Matrix Brakes for the Nissan R35 GT-R

The STILLEN R&D team continues to develop industry-leading performance products with long-standing technical partner AP Racing. Their hard work has resulted in the release of the next generation in Carbon-Ceramic Matrix (CCM-X) brakes for the Nissan GTR. This kit utilizes a new High Thermal Capacity (HTC) process which helps pull the heat from the CCM disc surface deeper into the 3D core to allow the discs to operate cooler through more efficient use of internal venting and air flow.

We have also homologated a new Pagid RSX1 pad material designed specifically for our new CCM-X discs for easier bedding and higher performance, these pads are ideal for use on the street and for track days.

The CCM-X disc assembly hardware has now been updated to include anti-rattle springs that still allow the full benefit of a floating disc, yet eliminates the “noise” associated with this style of disc.

During extreme performance testing at Auto Club Raceway in Fontana, CA, performing back-to-back repetitive testing runs pushing the limits of brake temperatures, the new combination of HTC CCM-X discs and Pagid RSX1 pad material reduced disc temperatures from an average of 1488F to 1346F, that’s 142 degrees cooler than the previous generation CCM. These real-world tests confirmed the results of our brake dyno testing at AP Racings lab in Coventry, England.

Once found only on the world’s most expensive supercars, Carbon-Ceramic Matrix (CCM) brakes have been developed for the first specifically-tuned aftermarket application – the Nissan R35 GT-R. These 400mm disc assemblies are larger than the standard OE iron discs, yet reduce weight by nearly half. This is rotating and unsprung weight, leading to improvements in all performance categories: acceleration, handling and braking.

After three decades of using carbon-carbon brakes on racing vehicles (even longer on fighter jets), AP Racing CCM discs are the next technological platform. Advancements in materials, process technologies and nanoparticle technology make it possible to use a special carbon fiber precursor along with new, patented process techniques. The unidirectional precursor is needled into a 3-Dimensional, continuous carbon fiber preform. This differs from lower cost technologies that use loose, chopped strand fibers and thin woven face plies bonded on as a friction surface. A true 3D matrix is stronger, more robust and provides longer life than the more brittle alternative. As a comparison, think quality hardwood versus particle board or MDF with a veneer.

Converting the 3D preform to carbon-carbon is done under high heat and pressure via methane cracking during a special carbon vapor infiltration (CVI) process. After initial machine work, a final conversion process results in a full matrix carbon-silicon carbide (CSiC). We call it Carbon-Ceramic Matrix, or CCM for short. The discs are then sent through the final machining, grinding, and balancing. Of course, the CCM discs are now so hard that only special diamond tooling can be used!

Who uses these ultimate CCM discs? The most up-to-date version is found on the Koenigsegg CCX and McLaren MP4-12C. And now – STILLEN and AP Racing have optimized a specific set for your R35 GT-R and its factory brake calipers.

The STILLEN-AP Racing CCM-X brake upgrade kit includes:

  • Front & Rear CCM-X brake disc/hat assemblies
  • Front & Rear Pagid RSX1 street & track use brake pads
  • Caliper spacers
  • Active brake cooling package required by Track Users (Not Shown – Sold separately and can also be used with Iron Rotors)

Note: Due to the dramatic reduction in overall mass, brake temperatures will run higher than the O.E. iron disc system given the same usage. STILLEN strongly recommends using AP Racing PRF brake fluid, one of the best high temperature fluids available. PRF is used in the most demanding Motorsports applications around the world.

Photos from Testing at Auto Club Speedway in Fontana, CA:

GT-R doing a fly-by past STILLEN R&D Testing Equipment

GT-R doing a fly-by past STILLEN R&D Testing Equipment

Under the extreme conditions that the Carbon Ceramic kits are tested, rotors can glow bright orange

Under the extreme conditions that the Carbon Ceramic kits are tested, rotors can glow bright orange

STILLEN R&D Logging Equipment

STILLEN R&D Logging Equipment

To get the best results, brake changes from old CCM to the new CCM-X were done at the track so outside conditions wouldn't be a big factor in test results

To get the best results, brake changes from old CCM to the new CCM-X were done at the track so outside conditions wouldn’t be a big factor in test results

CCM Kit Under stock 2012 R35 GT-R wheels

CCM Kit Under stock 2012 R35 GT-R wheels

STILLEN CEO Steve Millen under hard braking past a waypoint cone

STILLEN CEO Steve Millen under hard braking past a waypoint cone

Steve Millen, Kyle Millen and other members of the STILLEN R&D team discussing the difference in brake performance

Steve Millen, Kyle Millen and other members of the STILLEN R&D team discussing the difference in brake performance

One of the more popular products we make for the Nissan GT-R has been the polyurethane Protective Skid Plate, and with the changes to the new 2012 GT-R’s front lip, this required a new skid plate to be designed. Proud to announce we are in final development of the new version for the new model!

Here’s a sneak peek inside the STILLEN modeling shop located in Costa Mesa, CA, and shows the final piece test fitted on the car before we sent it into mold preparation.  The final production part will be black urethane, sprayed with a black matte paint, and can also easily be painted to match any specific color if desired.

The skid plate is designed to protect the extremely expensive front fascia from scrapes and light bumps. It follows the specific contours of the car, and installs in just minutes with everything needed supplied.

We are in full swing with the 2012 Nissan GT-R, and are also nearly finished with the Front Lip Spoiler, as well as the Aerodynamic Side Skirts which are also available for the 2009-2011 GT-R.  Look for more information soon.

We’ve also been doing product fitment on other STILLEN items, such as our Cat-Back Exhaust System, Secondary Cat-Delete Y-Pipes, Stainless Steel Brake Lines, AP Racing rotor upgrades and much more!

Last month we brought you the information on the new high end Goodridge Phantom Gstop Brakelines, and as these are arriving soon, we wanted to get the word out, and get these in the hands of our customers, so we’re giving away 2 sets for free!

Simply head over to the STILLEN Facebook page, give us a ‘Like’ and you’ll have access to the entry form on the Sweepstakes tab, just pop in your information and you’ll be entered to win.  We’ll be picking a winner on April 15th, and again on April 30th!

The Phantom Brakelines are new from Goodridge, and are designed to replace the factory rubber brake lines on your car, improving safety, reducing stopping distances and deliver a much better brake pedal feel, just like the popular Goodridge Gstop Brakeline kits.  The Phantom series upgrades the hardware and fittings to stainless steel, features a black coating on the stainless steel lines, a beautiful upgrade, and we couldn’t encourage our customers more to consider upgrading your brake lines if you haven’t already, it’s an inexpensive upgrade that has huge benefits.

Good luck!  You can read the full giveaway rules here.

Goodridge has released information on their new limited edition Phantom Gstop Brakeline kits available for popular selected applications. For the ultimate brake line upgrade, look no further!

Upgraded stainless steel brake lines are one of the easiest modifications to make and get tangible results from.  Installing Goodridge G-Stop SS lines will dramatically improve brake pedal feel, eliminate the soft spongy feeling, and improve braking performance and reducing stopping distances.

The Phantom G-Stop kits take that performance and kick it up a notch, utilizing stainless hose ends, banjos and bolts, as well as feature black poly-coating to the stainless steel hoses.  Even the brackets and hardware are protective coated, creating a superior appearance, and ensuring durability.

All of the benefits of the best brakeline manufacturer, Goodridge, with upgraded hardware and coatings makes this a great modification for any enthusiast!

 

Initial Phantom Brakeline Applications Include:

  • 2010-2011 Chevrolet Camaro SS
  • 1997-2004 Chevrolet Corvette (Including Z06)
  • 2005-2011 Chevrolet Corvette C6 (Except Z06)
  • 2006-2011 Chevrolet Corvette Z06
  • 2003-2007 Infiniti G35 Coupe (Including Brembo)
  • 2003-2006 Infiniti G35 Sedan (Including Brembo – Excluding AWD)
  • 2003-2007 Nissan 350Z (Including Brembo)
  • 2009-2011 Nissan GT-R R35
  • 1997-2004 Porsche 911/996 (Including Turbo)
  • 2005-2008 Porsche 911/997 C2, C4, C4S
  • 1997-2004 Porsche Boxster/986 (All Models)
  • 2003-2006 Subaru Outback
  • 2002-2007 Subaru Impreza Wagon, WRX & STi
  • 2008-2011 Subaru Impreza WRX (Except STi)
  • 2006-2011 BMW 128i (E82/88)
  • 2006-2011 BMW 135i (E82/88)
  • 2007-2011 BMW 328i exc. Xi (E90/91/92/93)
  • 2006-2006 BMW 330i exc. Xi (E90/91/92/93)
  • 2007-2011 BMW 335i exc. Xi (E90/91/92/93)
  • 2005-2011 Ford Mustang GT (Including 5.0)
  • 2007-2011 Shelby GT500
  • 2005-2011 Ford Mustang V6 (with ABS)
  • Various 1998-2007 Mercedes C-Class / E-Class / SLK

News Release
For Immediate Release

STILLEN OFFERS RUGGED AP RACING BRAKE UPGRADE
FOR 2000-2010 GM 2500/3500 TRUCKS

Costa Mesa, Calif.– STILLEN announces the availability of a new front and rear big brake system for the 2000-2010 Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 (including Dual Rear Wheel models). This rugged, state-of-the-art brake upgrade is based on AP Racing brake technology, the number one choice for a wide range of professional race teams that compete at the highest levels (i.e. NASCAR, FORMULA 1).

Available from the STILLEN brake product division, these GM Truck brake upgrades are compatible with OE ABS, traction control and stability systems as well as the original master cylinder to provide the ultimate in towing and big load capacity.

The front Big Brake System (AP2320) features AP Racing’s new, oversized 6-piston Heavy Duty caliper (CP8510) matched with the largest available aftermarket (16.1” diameter) 2-piece floating cross-drilled and slotted rotors. Slotted-only rotors are a no-cost option. This STILLEN brake system also includes high-performance Ferodo DS2500 brake pads along with Goodridge stainless steel brake lines, brackets and all necessary mounting hardware for immediate bolt-on.

For the matching and balanced rear Big Brake system (AP6950), STILLEN specified a special version of AP Racing’s Heavy Duty 4-piston caliper (CP5328) clamping on 15″ diameter 2-piece cross-drilled and slotted rotors, also available in slotted-only. The rear upgrade also includes Ferodo DS2500 brake pads and all necessary hardware.

This powerful brake system requires 20” or larger wheels with adequate spoke clearance. To ensure proper fitment, customers should visit www.stillen.com to download an easy-to-use brake profile template to check wheel fitment for both the front and rear brake kits before ordering. When ordering custom wheels, consult with STILLEN in advance to ensure compatibility.

To learn more about AP Racing Big Brake upgrade kits for the 2000-2010 Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 and other pickup trucks, visit www.stillen.com, e-mail pr@stillen.com , or call (866) 250-5542.

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About STILLEN
Developed by enthusiasts for enthusiasts, STILLEN is a manufacturer and distributor of premium high performance products for late model import and domestic vehicles. Founded in 1986 by renowned professional driver and race car builder Steve Millen, STILLEN incorporates cutting-edge race proven technology and advanced aerodynamic designs into the company’s proprietary performance and appearance product lines. Millen is known worldwide for achieving the greatest number of wins in IMSA GT history during the course of an impressive 30-year racing career. Family owned and operated, STILLEN branded products include exhaust systems and components, superchargers, fuel systems and components, brake kits and components and urethane body styling products. In addition, STILLEN is an online reseller of many high performance products for late model cars and trucks, import and domestic, and creator of unique, one-of-a-kind performance project vehicles. For more information, visit www.STILLEN.com.

After months of testing and road racing, STILLEN is proud to announce the availability of the first Active Brake Cooling Package made specifically for the R35 Nissan GT-R.  This kit has been shown to reduce rotor temperature on the AP Racing Carbon Ceramic Brake Upgrade by over 200 degrees F, and is also extremely effective for those running standard OEM Iron, or the AP Racing Curved Vane Rotor Upgrades.

GT-R Front Active Brake Cooling System

The front cooling kit consists of weather resistant electric fans, polyurethane air diversion splitter, all appropriate mounting brackets, and includes a wiring kit as well as a switch.

GT-R Rear Brake Cooling System

The rear cooling kit utilizes polyurethane air scoops which work in conjunction with the factory NACA ducts in the belly pan to route air to the braking system, and also features polyurethane air funnels, accordian tube and all necessary mounting bracketry.

For detailed information on the design and testing of the STILLEN Active Brake Cooling Package, please visit the STILLEN website for much more information.

We recently worked with Truckin’ Magazine on some high speed brake testing, putting the AP Racing BBK designed by STILLEN to the ultimate test at El Toro Marine Base.

Truckin’ editor Dan Ward pushed their 2004 GMC Sierra “Project Novakane” to the limit with repeated 80-0 mph stops beginning with the factory setup, swapped brake systems, and repeated the aggressive testing on the truck after outfitting the AP Racing setup onto the truck.

Below is an excert from the article with performance data from their extensive testing:

Truckin’ Magazine – October 2010 Issue

“Rather than test the truck from 60 mph, we hit the ‘whoa’ pedal at 80 mph, after all, do you really drive 60 mph on the freeway? Factory braking performance was dreadful, as a combination of grooved rotors and newish pads made for chassis vibrations when stopping and a weak pedal. After bolting on the 20-inch wheels and tires to the Sierra, the sticky Nitto tires actually improved the stopping distances, which confused us at first, but then we released the overall weight of the new wheels and tires wasn’t much heavier than our OE combo.

GM touted the redesigned ’99+ fullsize trucks as having the best brakes in their long history of building trucks. That’s nice marketing hype, but GPS data acquisition doesn’t lie and the new AP Racing brakes are the double-D cups to the OE’s training bra. We weren’t surprised to have better overall stopping power, after all, that’s what we expected from a company with a rich racing heritage, but what did surprise us was the pedal feel. Without being touchy, the brake pedal is now very linear with minimal inputs doing an impressive job of bringing the 4,300-pound truck to a standstill. As expected, the aggressive brake pads are heavy on the dust, which provides us another excuse to wash the wheels/tires more often. This upgrade was expensive, but unlike in many cases, you actually get what you pay for from Stillen.

With the AP kit bolted on, we made several 80-0 mph test runs and came away with an average of 226 ft, more than 144 ft than better than stock. That’s equivalent to stopping in only 5.56 school buses or basically stopping before going through an entire intersection and saving the lives of more than 350 kids in those buses.

Also, the green AP heat paint that was applied to the stock rotors burned white, meaning they exceeded 430 degrees Celcius during hard braking, but the new AP rotors didn’t burn through the green paint. This translates into the drilled holes and vents doing their job by keeping the rotor surface cooler, longer. If safety and performance are high on your list, bringing your truck to an immediate halt doesn’t get much better than with AP Racing’s bolt-on big brakes.”

You can read the full article here, and below are some images from the story:
Truckin’ Magazine Project Novakane Part III: AP Racing