2014 Toyota Tundra's available 5.7L DOHC i-Force V8 produces 381 hp and 401 lb.-ft. of peak torque, in both gasoline and flex-fuel variants
More information are here:
http://www.toyotatruckclub.com/forum/showthread.php/30648-Engine-Choices-for-the-2014-Toyota-Tundra