GM L67 engine
The 3.8-liter V6 engine with turbocharging, designated as GM L67, was manufactured in Michigan from 1990 to 2005 and installed in versions equipped with supercharged Buick Park Avenue, Pontiac Bonneville, or Chevrolet Monte Carlo. There are two versions of this engine: Series I with a power output ranging from 205 to 225 horsepower and Series II with a power output of 240 horsepower. Other engines in the Buick V6 series include: - L32 - L36.