I wrote a preview of the 2008 Viper when it was first spied about a month and a half ago. As I said before, the 2007 model year will be skipped, and it will return in 2008; starting production in January 2007. The Viper will have an exterior facelift and contain a McLaren tuned 8.4L V10 shown in the ASC Diamondback Viper. We can expect it to output anywhere from 600 to 650 hp, hopefully more, and run 0-60 in about 3.5 seconds.
Other rumors were not particularly credible - using the Mercedes V12 (not Viper-like), a V10 Hemi (expensive to create, poor emissions), a turbocharged V10 (not desired by current owners), and an even bigger Hemi V8 (again, not Viper-like). The current Viper engine, based on the LA V8 family introduced decades ago, most likely has untapped potential which could be awakened by expert tuners.
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