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Corvette Z06 Convertible
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  Chevrolet Corvette Z06 Convertible
 

  Article Image gallery (20) Specifications  
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Country of origin:United States
Introduced in:2014
Introduced at:2014 New York International Auto Show
Internal name:C7
Source:Company press release
Last updated:April 15, 2014
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Click here to download printer friendly versionChevrolet introduced one of the most capable drop-tops on the market: the 2015 Corvette Z06 Convertible. With at least 625 horsepower, and 635 pound-feet of torque, the Z06 is also the most powerful convertible ever produced by Chevrolet.

"The Z06 Convertible is a world-class supercar in every sense," said Mark Reuss, executive vice president, Global Product Development. "Only a handful of convertibles in the world bring more than 600 horsepower and 600 pound-feet of torque. Even fewer can match the advanced technologies, aerodynamic design, and visceral driving experience of the Z06 Convertible."

This is the first Z06 Convertible offered from the factory since 1963 when the Z06 option package was introduced for endurance racing. Records show only 199 Corvette orders with a Z06 package that year, including one convertible.

Recent technological advancements enable the building of a modern Z06 Convertible, said Corvette chief engineer Tadge Juechter.

"Until recently it was not possible to create a lightweight, open-roof structure strong enough to cope with the braking, cornering, and acceleration of Corvette's top performance models," Juechter said. "The frame for the Z06 convertible leverages advancements in computer-aided engineering, metallurgy, and manufacturing techniques - many of which were not available just five years ago."

The aluminum structure is 20 percent stiffer than the previous, fixed-roof Z06. As there are no structural reinforcements needed for the Z06 Convertible, its curb weight is nearly identical to the Z06 Coupe. They also share the same chassis tuning, powertrain output, driver technologies and equipment options - including the Z07 Performance Package, which adds Brembo carbon-ceramic matrix brakes, Michelin Pilot Sport Cup tires and adjustable front- and rear-aerodynamic components.

"The most impressive aspect of the Z06 Convertible may be its performance bandwidth," said Juechter. "Very few cars on the market can match its combination of extreme, supercar levels of performance; the flexibility for daily driving and long-distance commuting; and the 360-degree, open-air driving experience only true convertibles can offer."

The Corvette Z06 Convertible represents the culmination of more than four years developing an all-new, all-aluminum structure for the seventh generation Corvette. That structure, built at General Motors' Bowling Green Assembly plant, was designed to the specifications of the Corvette Stingray, Corvette Z06 and the Corvette Racing C7.R.

"We wanted a frame that was lighter than the steel frame of the previous Corvette, yet strong enough for both a 600-horsepower convertible and a 24-hour endurance racer," said Ed Moss, engineering group manager for Corvette structures. "That would not have been possible without improvements in computer-aided engineering software, which allowed us to model more than 17,000 frame iterations, with each iteration improving strength and stiffness, while reducing mass."

The team used nearly 186,000 computational hours of modeling to develop the frame. It features main rails composed of five customized aluminum segments, including aluminum extrusions at each end, a center main rail section and hollow-cast nodes at the suspension interface points. The gauge of each segment varies in thickness from 2mm to 11mm, tailored - along with the shape - to meet the strength and stiffness requirements for each frame section with minimal weight.

These components are assembled using many advanced manufacturing processes, including:
  • 439 spot-welds using a GM-patented process that uses a unique electrode designed specifically for aluminum
  • 188 Flowdrill-machined fasteners installed by a high-speed drill that extrudes the frame material to create a strong, integral collar tapped for bolt-on fasteners
  • 113 feet of structural adhesives used in conjunction with welding and fasteners to increase overall frame stiffness
  • 37 feet of laser welds, which join frame sections via a precise beam of high energy that minimizes heat beyond the weld area for improved structural accuracy.
The only structural differences between the Z06 Coupe and Convertible are provisions for mounting the power-folding top, and repositioned safety-belt mounts.

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  Article Image gallery (20) Specifications