How much horsepower does a 1987 Chevy caprice classic with 350 5.7 v8 motor?

The 1987 Chevy Caprice Classic with the 350 (5.7L) V8 came in different configurations, and horsepower varied slightly depending on the specific engine and carburetion. Generally, you're looking at a range of 165 to 180 horsepower. You'd need to check the vehicle's documentation (if available) for the exact horsepower rating for that particular car.