Rebel Off-Roads “Silver Bullet” JK (7.0L Supercharged Hemi, Brembo, plus much more)

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“Have you ever wondered what your JK would drive like with a powerplant straight out of muscle car? Or possibly with a suspension and drivetrain system built for any terrain across 7 continents? Or maybe even the latest luxury equipment to make this dream Jeep comfortable enough to drive to work and back everyday?

Well this is exactly what we sought out to do with Rebel Off Road’s latest (and fastest) build – The Silver Bullet.

Let’s get right to brass tax and show you what this insane build is made of starting with the heart and soul. The 3.6L Pentastar was replaced with a 6.4L Hemi V8 crate engine, bored and stroked to 7.0 liters and 426 cubic inches in diameter, and if that wasn’t enough of a kick in the pants, we added a Magnuson Superchargers Magnacharger to give it that extra boost – you know, for all those long hill climbs and such. All the noise comes from a fully fabricated and custom exhaust, from the headers to the tailpipe.

Mated to this beast is a transmission directly from Southern Hot Rods, nicknamed “The War Viking”, rated for over 1000hp. Getting the power to both ends is an Atlas twin stick transfer case. J. E. Reel Driveline Specialists 1350 driveshafts connect power to the front and rear Currie Enterprises RockJock 60 front and RockJock 70 rear axles, sporting a pair of ARB USA (ARB Air Locker) locking differentials. And if you’re wondering how this train stops on the road, don’t miss the Brembo big brake package with 6 piston calipers and oversized drilled and slotted rotors in each corner. Keeping the steering wheel light and easy is a PSC Motorsports hydraulic assist ram steering system.

All the above sounds great, but what sets it apart from a street queen is the suspension. Rebel Off Road, LLC‘s very own RECON Bolt on coilover conversion system with 2.5 x12″ front coilovers and 2.5″ x 14″ rear coilovers from King Off-Road Racing Shocks does the heavy lifting. Paired with our tried and trusted TeraFlex Suspensions long arm system, this Jeep can flex for days and look amazing while doing it.

Speaking of looking amazing, check out the 20″ polished TR Beadlock Wheels wrapped up in 40×15.50 Toyo Tires Open Country M/T’s. Grip and function. Nothing better.

Moving onto the rest of the exterior, we installed a pair of front and rear Knuckles Offroad, LLC bumpers, painted to match this Jeep exactly. Nemesis Industries Odyssey and Notorious aluminum fender flares, paint matched to the Jeep, were the perfect option for sleek and sexy design. Rock Slide Engineering Step sliders keep the doors and underbody safe, while providing a much needed step to get in and out of this monster. A GenRight Off Road aluminum tire carrier keeps that 40″ tire planted onto the tailgate, and it’s light enough to carry one-handed. A Gobi Racks JK system keeps all theRotopaX and storage accessories locked in place, in a convenient and sleek design above the roof. A WARN Zeon 10-S winch sits up front with a MUST HAVE recovery tool, theFactor 55 Prolink, also matching the Jeep’s silver color. Closed system winching for the win! Rigid Industries – LED Lighting provides the Silver Bullet with ample auxiliary lighting, including Dually D2’s in the bumpers, a 20″ SR LED bar on the stinger, and a 50″ SR LED bar on the roof. Truck-Lite Company, Inc. replaces the weak factory headlights with a much better and brighter LED option.

Under the hood accessories include a Genesis Offroad Dual Battery system with Odyssey batteries wired in tandem to ansPOD unit ready to fire up all the accessories in a safe, easy, and controlled manner.

Moving into the interior, you’ll first notice the Corbeau Seats USA LG1 seats up front in black suede. The roof has been painted black on the inside as an aesthetic mod. Wideband A/F ratio and boost gauge lets the driver know how the performance is doing under load. Lowrance Electronics GPS system will ensure you’ll never get lost. And to top if all off, one of our favorite interior mods (because of it’s extremely important purpose) is a Rock Hard 4×4 Sports Cage, powdercoated to match the Jeep.

All in all, The Silver Bullet was hand crafted to take on any task, any terrain, and any opponent you can throw at it. Truly a beautiful example of the extremes these vehicles can be taken to, and to come out with such elegance and purpose all in the same package, it’s what makes us proud to call this JK a true REBELCON”.

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Sabelt GT200 and GT300 Seats

HCF (HYBRID CARBON FRAME)

HCF is a construction of additional structural carbon which shape strengthens and stiffens the shell. The new result is a hybrid shell, part in carbon and part in fiberglass, particularly performance and safe, that represents a true new seats generation for technique, performance and market.

– The back carbon reinforcement (HCF) stiffens the entire shell improving resistance in case of side impact
– The shape of carbon structure has been designed to strengthen the areas subject to higher loads
– Reinforcing the most stressed areas had allowed composing a plybook that enlightens the remaining areas, with consequent weight saving on the total shell.

DOUBLE HARNESSES SLOT

Provides adjustment of the height of the harness making the seat absorb part of energy in case of impact.

Proper belt placement insures the seat edge is utilized during a crash rather than drivers shoulders. With this target we doubled the shoulder belt adjusting slots to better adjustment for various driver heights. In this way, in case of impact, the vertical force will be supported by the seat improving safety of the driver.

COOLING VENTILATION HOLES INTEGRATED IN BACKREST

External temperature and driving conditions of the driver are one of the critical areas in which FIA is working to improve safety of crews.

The back, in the lumbar area in contact with the seat is even more complex. It is thanks to ergonomic studies made for OEM that we tested a solution that includes seatback holes allowing for hot air exchange to improve driver and co-driver cooling.

Starting price = $1,222.00

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HCF (Hybrid Carbon Frame)

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Double harness slots

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Rear shot of the cooling slots in the lumbar area.

Olsen Motorsports with their GT-200 race seats in their 2015 WRX STi.

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Brembo Racing RB340

One of the top teams participating in the FIA WEC series is Larbre Competition, one of the only teams in the world racing with the Corvette platform as a non factory effort in the top level of professional motorsport. For 2015, Larbre Competition is racing a C7.R in the FIA WEC series.

The FIA World Endurance Championship (WEC) is starting to become the leading series by many car manufacturers and their technical partners to showcase new technologies in the LMP (Le Man Prototype) & GT (Grand Touring) Classes. The FIA WEC features endurance races (6 hour races and the 24 hours of Le Mans) and is a global series racing at challenging circuits in the United States, Europe, Asia and the Middle East. Stiff competition between factory run and private customer teams in all the various classes means teams choose to work with only the best technical partners to have the most competitive advantage.

Larbre Competition won class honors with a Corvette C6.R at the 24 hours of Le-Mans in 2012 using Brembo Racing RB340 brake pads. Larbre Competition also finished the 2012 Le Mans 24 hour race without changing brake pads or loss of performance through the race.

Brembo’s RB340 material is unique in construction and the optimal performance is dictated by the energy of the brake system, not so much the disc or pad direct running temperature. This means the material offers excellent wear resistance, high initial bite, stable friction levels (the performance does not degrade as much at elevated temperatures) and good modulation in a wide range of conditions. The combination of wear resistance and high initial attack means the driver does not need to push the brake pedal as hard to achieve the same stopping power. This is easier on the driver and means a common material can be potentially used for long and short races.

Brake pads and fluid are two very small things that make a huge difference that most people overlook. Pads and fluid help fine tune brake system characteristics like initial response, fade resistance, and pedal consistency. For an endurance race such as a 24 hour race, one of the many critical factors is the wear resistance of friction materials to avoid doing brake pad or rotor changes as this can cost valuable time in the pits. If changing pads or brake discs can be avoided altogether, this is the most ideal scenario.

Photo: Brembo Racing, John Dagys/Sportscar365

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PORSCHE 911 GT3 (991): BREMBO 2-PIECE TYPE III DISCS

PORSCHE 911 GT3 (991): BREMBO 2-PIECE TYPE III DISCS

Porsche’s 911 GT3 (991) is a demanding platform on the OE brake package with unique demands (475 horsepower, over 3200 lbs curb weight, and multiple electronic braking / traction aids). The Brembo OE brakes equipped on the Porsche 911 GT3 & Turbo models are some of the most sophisticated designed for an OE application. The Porsche Brembo OE brakes utilize 6-piston aluminum fixed monobloc calipers front and 4-piston aluminum fixed monobloc calipers rear. The brake discs are heavy duty 380 x 34 mm ventilated front & 380 x 30 mm rear brake discs. The Porsche 911 GT3 brakes use a wide annulus (radial depth) front and rear pad for maximum swept area. The OE pads are also 18 mm thick front and rear which is comparable to most high performance aftermarket calipers.

Generally speaking about later model 911 platforms: The GT3 has always been more demanding on the rear brakes due to aggressive rear brake balance while the Turbo models are generally more demanding on the front brakes. While the OEM specification Porsche brakes all look similar, the caliper piston sizes, hydraulic systems and car balance can be considerably different.

There are certain limitations with the OE components on any high performance application as they are designed specifically for the car manufacturers to their requirements of comfort, wear rates in various road environments, cost and serviceability.

As the braking system’s primary function is to dissipate heat, Brembo uses purpose-designed discs in order to increase the fade resistance and thermal capacity of the system. These discs are directionally ventilated for enhanced cooling and slotted for better performance and continuously refreshing the pad surface. Brembo 2-piece discs are made up of a proprietary advanced cast-iron alloy which offers an exceptional coefficient of friction and resistance to thermal shock and fatigue.

The same Brembo Racing discs trusted every weekend in professional motorsports are also utilized in the Brembo Performance Program (GT, GT-R & Race Systems).

GMG 991 GT3 with Brembo Type III 2 piece discs. Photo Credit : GMG Racing

GMG 991 GT3 with Brembo Type III 2 piece discs. Photo Credit : GMG Racing


BENEFITS OF BREMBO 2-PIECE DISC UPGRADES:

  • OEM INTEGRATION: Brembo 2-piece disc upgrades are designed to work seamlessly with the OE calipers and systems (manufactured by Brembo for Porsche). This guarantees the utmost in safety and seamless fitment.
  • LIGHTWEIGHT: Disc assemblies include an outer iron disc with aluminum bell/hat and provide decreased corner weights to improve vehicle dynamics including handling, acceleration, and braking.
  • TYPE III SLOT PATTERN: Extensively used in professional motorsports, the Type III slot pattern offers a high initial response with excellent release characteristics.
  • HIGH THERMAL CAPACITY: Greatly improved thermal capacity and heat management over OE discs and other aftermarket discs in the market. This also improves braking performance and allows for greater longevity of the components.
  • FRICTION MATERIALS: Everything we learn by supporting top professional racing teams throughout the world goes into selecting the best brake pad options for all levels of street, track and racing use.

PACKAGES INCLUDE:

  1. Outer Brembo Type III discs (qty 2)
  2. 6061 T6 aluminum (machined from billet), hard anodized bell/hat
  3. Complete Brembo disc hardware (D-type bobbin) w/ anti-rattle springs. (Full Floating Option Available Upon Request
GMG Racing 991 GT3 Equipped with Brembo Racing discs. Photo Credit: GMG Racing

GMG Racing 991 GT3 Equipped with Brembo Racing discs. Photo Credit: GMG Racing

BREMBO 911 GT3 (991) 2-PIECE DISC OPTIONS:

FRONT BREMBO 2-PIECE DISC OPTIONS: 911 GT3 OE IRON EQUIPPED

MSRP COMPLETE AXLE SET: $1,895.00
911 GT3 Front disc specifications:

–          380 x 34 disc – Lightweight
–          Type III slot type
–          20 mm air-gap (wide air-gap for overall brake disc weight reduction)
–          72 vane ventilation
–          21 lbs – disc ring
–          23 lbs – complete 2-piece disc assembly
–          Compatible with 911 Turbo (991) Models

911 GT3 Front “High Thermal” disc specifications:

–          380 x 34 disc – High Thermal
–          Type III or Type V “Endurance” slot type available.
–          17 mm air-gap (narrow air-gap for the brake disc to have extra thermal capacity and durability under higher brake demand conditions)
–          72 vane ventilation
–          23 lbs – disc ring
–          24.5 lbs – complete 2-piece disc assembly
–          Compatible with 911 Turbo (991) Models

REAR BREMBO 2-PIECE DISC OPTIONS: 911 GT3 OE IRON EQUIPPED

MSRP COMPLETE AXLE SET: $1,895.00

911 GT3 Rear “High Thermal” disc specifications:

–          380 x 30 disc – High Thermal
–          Type III slot type
–          16 mm air-gap
–          48 vane ventilation
–          20 lbs – disc ring.
–          22 lbs – complete 2-piece disc assembly
–          Compatible with factory braking brake (e-brake)
–          Compatible with 911 Turbo (991) Models

PORSCHE 911 GT3 (991) OEM DISC WEIGHTS – FOR REFERENCE:

– Front, 380 x 34: 24 lbs
– Rear, 380 x 30: 23.4 lbs

PORSCHE 911 Turbo (991) OEM DISC WEIGHTS – FOR REFERENCE:

– Front, 380 x 34: 27.8 lbs
– Rear, 380 x 30: 24 lbs

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2015 BREMBO RACING AND PORSCHE MOTORSPORTS INVOLVEMENT:

Brembo Racing works very closely with Porsche Motorsport as a technical partner on multiple factory motorsport programs. Some of these include, but are not limited to, the 2015 spec Porsche 919 Le Mans Prototype program for the LMP class and the 911 (991) RSR for the GT Class. The 919 Hybrid is Porsche Motorsport’s latest fully factory supported effort since 2014 and features various cutting edge technologies which will eventually be carried through to road going vehicles.

LMP Class:

For 2015, to be competitive in the top prototype class, the Porsche 919 Hybrid has been re-engineered from the ground up. One of the many key changes is a Brembo Racing carbon brake package to maximize braking performance and reliability since the new 2015 model has an upgraded chassis, aerodynamics and has more power compared to 2014.

Brembo Racing Porsche 919 brake package:

Brake Calipers: Brembo Racing motorsport calipers.
Brake Discs: Brembo Racing carbon-carbon brake discs.

2015 Porsche 919 Hybrid LMP1 Car. Photo Credit: Porsche AG

2015 Porsche 919 Hybrid LMP1 Car. Photo Credit: Porsche AG

GT Class:

Porsche’s 911 (991) RSR is built to compete at the 24 hours of Le Mans and is the most sophisticated GT racing sports-car offered by Porsche Motorsport unlike the Cup Cars designed generally for customer / private teams. The 991 RSR is also specified with a Brembo Racing cast iron brake package. Teams can choose disc and pad configurations based on their individual car balance, setup, circuit and brake demand.

Brembo Racing Porsche 991 RSR brake package:

Brake Calipers: Brembo Racing motorsport calipers (6 piston – front, 4 piston – rear)
Brake Discs: Brembo Racing 380 mm and 355 mm cast iron brake discs.

Brembo is the OE brake supplier to Porsche, offering Performance upgrades for the various 991 platforms (Carrera S, GT3, Turbo models) using similar components and technology developed for professional motorsport.

MOTORSPORTS IMAGERY
Photo Credits: James Boone, Porsche Motorsport

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