Corvette ZR1 - East Valley Tribune: Business

Corvette ZR1

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Posted: Saturday, October 25, 2008 10:19 pm | Updated: 9:49 pm, Fri Oct 7, 2011.

A 205-mph sports car with a six-figure price that's a steal of a deal.

The Corvette ZR1 was bound to happen.

When a certain direct competitor to Chevrolet’s plastic-bodied sports car threw down the proverbial horsepower gauntlet General Motors’ “Bowtie” brand had no choice but to respond.

The challenge to the Corvette ZO6’ supremacy was delivered by — how dare they — that fun-loving bunch over at Chrys ler’s Dodge division a couple of years ago. At the time, Dodge told the world that the the 2008 edition of the V10 Viper would pack 600 horsepower for its base engine.

What might have been intended to be a knockout punch was instead perceived as dare. While product boss Robert Lutz posed the question of what a $100,000 Corvette would be like, the engineering and product planning teams were tasked with developing a counter-attack strategy. The ZR1 name was rekindled from the early 1990s since it epito mized the best of the best.

The new model beats on the Viper with 38 more horsepower at an entry fee of $105,000 around $33,000 more than the next-in-line Corvette Z06 and $15,000 more expensive than the Viper.

Chevy has considerable experience whet ting the public’s appetite for speed by build ing pumped-up versions of the Corvette having introduced the 505-horsepower Z06 for 2007. Already considered one of the best values in outright performance, the ZO6 was used as the starting point for the ZR1. The design process added a lightweight carbon fiber hood, roof section, rocker mouldings chin spoiler and front fenders that are differ ent than the carbon-fiber fenders found on the ZO6.

The aluminum chassis and most of the aluminum suspension parts as well as beefed-up rear axle originate from the ZO6 The ZR1, however, has been given some spe cific enhancements, including GM’s Mag netic Selective Ride Control that uses special electronically variable shock absorbers that instantly adjust to every subtle nuance on the road surface. Aside from keeping the tires planted, GM says the ride is actually better than that of a base Corvette while providing better handling than the ZO6. Talk about balance.

Cornering ability is further enhanced through the installation of Michelin Pilot Sport PS2 run-flat tires (19-inch wheel diam eter in front, 20 inches in back) that help the ZR1 generate an exceptional 1.05 g’s of skid pad cornering grip, as reported by Chevro let.

Whereas the 505-horsepower ZO6 uses a high-revving 7.0-liter V8 culled from the C6 R factory road-racing program, the ZR1 uses a smaller 6.2-liter V8 that’s supercharged Dubbed the LS9, it belts out 638 horsepower and 604 pound-feet of torque with 10.5 pounds of “boost.” Each of these hand-built engines includes two performance-enhancing intercoolers that sit atop the motor and are visible through a window cut into the one-inch raised hood. Chevy claims that the 3,300-pound ZR1 — 200 pounds more than the ZO6 —will sprint to 60 mph in 3.4 seconds, reach the quarter-mile mark in 11.3

seconds and top out at 205 mph, making it one of the fastest production vehicles for sale anywhere at any price.

An upgraded six-speed manual transmission with special gearing delivers the LS9’s massive torque.

Helping slow things down is a set of Brembo-brand binders featuring wear-andfade-resistant carbon-ceramic rotors that measure 15.5 inches in diameter in front and 15 inches in the rear. Normally reserved for racing, carbon-ceramic, which is very expensive, is also much lighter than cast iron: 11 pounds lighter, each, to be exact.

Inside, Z06-based lightweight seats carry special badging and there’s a “boost” gauge for the engine. Heated leather-trimmed seats, power telescoping steering wheel, navigation and premium audio are part of a $10,000 option package. Also available is an upgrade to chrome wheels for $2,000.

Each of the approximately 1,800 ZR1s planned for the 2009 model year will wear a distinctive vehicle identification number designed to enhance the car’s status as a future collectible. But based on the coupe’s impressive performance profile, that quantity might not be nearly enough to satisfy global demand. In fact, a market glut of overnight-underachieving European sporting machinery costing double, or even triple the price of a ZR1 is a distinct possibility.

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