HOME | CAR NEWS | CAR REVIEWS | RACING | AUTO SHOWS | VIDEOS | COLLECTOR | SUBSCRIBE | Sunday, September 09, 2012 | The 2013 SRT Viper cranks out 640 hp from its 8.4-liter V10. | 2013 SRT Viper drive review By Jonathan Wong | 09/10/12, 12:03 am et What is it? After a brief hiatus, the Viper V10 sports car returns as an SRT, not a Dodge, for the 2013 model year. There are major revisions across the board to boost performance and comfort, and a two-model lineup to broaden the Viper's appeal. Let's start under the hood. The 8.4-liter V10 now uses a lighter, higher-flowing intake manifold made from composite material, replacing the previous cast aluminum unit. Other changes include forged pistons instead of cast pistons, lightweight sodium-cooled exhaust valves, an aluminum flywheel and a single catalytic converter instead of dual units for better exhaust flow. All the engine changes deliver an additional 40 hp (to 640 hp) and 40 lb-ft of torque (to... |
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