What is the horsepower of a 1986 Chevy pickup with 305 motor?

The horsepower of a 1986 Chevy pickup with a 305 cubic inch (5.0L) engine varied depending on the specific model and trim level. There wasn't a single horsepower rating. However, a typical range for that engine in that year would be between 150 and 180 horsepower. To know the exact horsepower for a particular truck, you'd need to check the original owner's manual or the vehicle's specifications.