With a claimed thermal-efficiency of 42%, it’s better than most gas engines. ... it has two con rods attached to rotating bevel gears that turn an output shaft.

Complete information, specs, power and torque ratings on the GM Northstar L37 engine used in various Cadillac and Buick vehicles from 1993 thru 2011.

The power output at the wheels, though, is affected by the friction in the drivetrain, which means it can't be directly compared to the SAE net power ratings of gas and diesel engines.

As a reminder, the high output version of the turbocharged 2.7L I4 L3B gasoline engine is rated at 310 horsepower at 5,600 rpm and 430 pound-feet of torque at 3,000 rpm.