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February 2014

 

 

 

 

 

 

 

 

 

 

 

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28 Ways Chevrolet Camaro Z/28 Rules the Road Course

DETROIT – Lightweight, nimble and incredibly powerful, the original Z/28 was designed for road racing. The 2014 Z/28 carries the same spirit, with every detail engineered specifically to create the ultimate track-capable Camaro.

To enable the Z/28 to quickly lap the most challenging road courses, engineers and designers focused on strengthening three key areas during development: ◾Increased grip: The Z/28 is capable of 1.08 g in cornering acceleration, due to comprehensive chassis revisions ◾Increased stopping power: The Z/28 features Brembo carbon ceramic brakes capable of 1.5 g in deceleration, and consistent brake feel, lap after lap ◾Reduced curb weight: The naturally aspirated Z/28 weighs 300 pounds less than the supercharged Camaro ZL1 and 55 pounds lighter than the Camaro 1LE - with changes ranging from lightweight wheels to thinner rear-window glass.

   

 
 

To enhance the balance and overall driving feel of the Z/28, 100 percent of the unsprung mass – suspension, wheels, tires and brake system – differs from the Camaro SS.

“Like the first-generation Z/28, the new model is a road racer first and foremost. It features a wide range of state-of-the-art exterior performance modifications, and weight-reduction measures. It was bred for the track, pure and simple,” said Mark Stielow, Camaro Z/28 engineering manager.

 

Exterior Design and Aerodynamics

With the driving goal focused on peak performance capability, nothing on the exterior is without purpose. It shares several racing-inspired, design best practices and lessons learned with the 2014 Corvette Stingray. New and revised exterior content was developed to improve aerodynamics, powertrain cooling and brake-system cooling, helping the Z/28 produce 150 pounds of downforce at 150 mph.

Here are 28 features that helped the Camaro Z/28 lap Germany’s famous Nürburgring road course four seconds faster than the Camaro ZL1.

Rear spoiler with ‘wickerbill’

The aerodynamic coefficient of drag goal was achieved with original Camaro SS content and an accessory rear spoiler, but to meet the downforce requirements for Z/28, the spoiler was modified with a “wickerbill” – a small, vertical tab at the edge of the spoiler. Although an aesthetically minor change, it helped improve rear lift performance by 70 counts. That allows the Z/28 to handle turns at higher speeds and deliver greater overall high-speed stability.

Photos: GM

(2014-02-17)


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