The engine is code-named the DIG-T R and in addition to its 400-horsepower peak power rating it also develops a maximum 280 pound-feet of torque–numbers that make it almost comparable with some V-8 engines still on the market. At a ratio of 4.5 horsepower per pound, the new engine even has a better power-to-weight ratio than the new turbocharged 1.6-liter V-6 engines to be used in Formula One this season. The engine is a turbocharged 1.5-liter three-cylinder putting out an incredible 400 horsepower, but what’s more impressive is that the engine weighs just 88 pounds, which means a human is quite capable of carrying it (turbocharger and all), as NISMO chief Shoichi Miyatani demonstrates above.
DUMMR.com 