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| Click here to view the interactive As you look over these images of the seven generations of Corvette design, notice the increasing rigidity of the format. It comes to us as settled law that a Corvette is: front-engine; V8-powered; rear drive; with plastic (and more recently carbon) composite body panels; a fastback roofline and rakish windscreen angle; and a luxurious axle-to-dash length. As an industrial design, the Corvette is deeply bound by its heritage. Take the engine. More for sentiment than for any compelling engineering reason, the Corvette engine is, almost has to be, a pushrod, overhead-valve V8 (in the C7, the code-named LT1 engine), the heir to the original small-block, 265-cubic-inch V8 that Corvette patriarch Zora Arkus-Duntov stuffed under the hood of the 1955 Corvette, turning the once-effete roadster into a hot rod.That moment窶背hen raw American horsepower met the continental roadster's lithe design窶琶s the center panel in the Corvette's Sistine Chapel. Some of this is vice remembered as virtue. Over the decades, GM's lack of investment and other kinds of foot-dragging left the Corvette dated and at a disadvantage to European and Japanese sports cars. The Corvette passed through eras when it was widely regarded as tacky and clueless, a car for upwardly mobile plumbers and overcompensating accountants. More on Cars Driver's Seat blog Eyes on the Road Jonathan Welsh: Me My Car But a strange thing happened to Corvette on its way to irrelevance: It became relevant again. For example, the car's half-century-old design concept窶蚤 lightweight space-frame chassis with a plastic composite body窶派as at last found the materials and precision construction techniques necessary to make it reasonably buildable. New Corvettes are tough, lightweight, rock-solid machines, immune to the cowl shake that plagued older models. The C7 Corvette窶背hich revives the Stingray name and will likely start around $50,000窶排eplaces the former steel chassis with an advanced welded-aluminum structure. It also increases the use of costly carbon-fiber body Toms Shoes Sale panels (the hood and roof) and other composite materials, to save weight. Exotic car makers around the world are, if not imitating the Corvette's construction method, duplicating it in principle.A similar case can be made for the old-school pushrod engine: The Corvette's new 6.2-liter LT1 V8 is dressed with modern direct-injection cylinder heads, with variable cam phasing and cylinder deactivatio ywords12.txt,1,S] n (to save fuel during periods of light load, the engine will interrupt fuel flow to four of the eight cylinders). These algorithm-driven engine controls allow the LT1窶背ith a valvetrain architecture that dates back to the Eisenhower administration窶杯o produce an estimated 450 horsepower and 450 pound-feet of torque, enough to launch the car to 60 mph in less than four seconds, GM promises, while at the same time returning highway mileage of around 28 mpg.Still retained is the V8's leathery smack of an exhaust note, which in the C7 will be belted out from a polished quad-pipe exhaust. Hell. Yeah.There's risk in the Corvette's brand of ancestor worship. For instance, it's not at all clear how the Corvette formula will survive ever-stricter fuel-economy standards. A tur Cheap Toms Shoes bo-V6 Corvette hybrid may seem unthinkable, but it will probably happen. Will the myth unravel right there? Also, because so much of the car is mechanically preordained from generation to generation, the car's styling must carry the weight of the new. The C7's styling is one of insistent futurism, a form vocabulary of strakes, light-catching creases and occasionally hectic angles. It pulls back from t Red Bottoms he brink of overwrought, but just barely. Subtlety was never one of the car's strong suits, anyway. The point is, the Corvette, the much-beloved, often-mocked all-American sports car, is cool again, and it has become cool by standing on first principles and having the world come around to it. And even if you never plan to set foot in a Corvette, you should be glad. Historically, whenever Corvette prospers, so does America.Email Dan at rumbleseat@wsj.com . Six Decades of 'Vette <Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.12 (KHTML, like Gecko) Maxthon/3....＠110.85.106.236> |