FANS OF AMERICAN MUSCLE cars have reason to rejoice. We're caught in the crossfire of a great horsepower war, and while the superpowers waging battle have a take-no-prisoners attitude, we don't see any customers coming out as losers. The winners bask in sub-four-second 0-to-60-mph times while inhaling an intoxicating aroma of high-octane fuel, tire smoke and hot brakes. Dodge lobbed the first salvo in this most recent battle in 2003 when it unveiled the 500-hp Viper SRT10 convertible. Chevrolet joined the 500-hp battle with its 505-hp 2006 Corvette Z06 AW, Sept. 5). Dodge has rallied back with its 2006 Viper Coupe, now packing an SAE-certifiied 510 hp. Ford is also in the 500-plus hp battle with its 550-hp GT, but the car's USD150,000 sticker and mid-engine layout put it in a different league than Viper or Corvette.
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