What 5 liter 8 cylinder GM engine is indicated by a Y code in the VIN of 1986 Pontiac Parisienne?
The 5 liter, 8-cylinder GM engine indicated by a Y code in the VIN of a 1986 Pontiac Parisienne is the 305 cubic inch V8 engine. This engine was produced by General Motors from 1976 to 1992 and was used in a variety of vehicles, including the Pontiac Parisienne. The 305 cubic inch V8 engine has a displacement of 5.0 liters and produces 170 horsepower at 4,000 RPM and 245 pound-feet of torque at 2,400 RPM.