2011 Toyota Tundra Gets V-6 Power Bump
Toyota Tundra light-duty pickup trucks equipped with six-cylinder engines will see an increase in power for the 2011 model year. The 4.0-liter V-6 is now rated at 270 horsepower and 278 pounds-feet of torque, up 34 hp and 12 pounds-feet from the 2006-2010 Tundra.
The extra power comes from improvements to the 4.0-liter V-6's dual-overhead-cam variable valve timing system. VVT controls the opening and closing of an engine's intake or exhaust valves or both, which can improve emissions and power levels.
The previous version of the 4.0-liter V-6 used variable valve timing to control only the intake valve cam. The new and improved 4.0-liter V-6 has dual VVT to manage cam timing for both the intake and exhaust valves.
[Source: Toyota]

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