How much horsepower does a 1987 Chevy small block 350 has?

The horsepower of a 1987 Chevy small-block 350 varies significantly depending on the specific application and engine options. There wasn't a single horsepower rating. It could range from roughly 170 to 230 horsepower, and even higher in some performance versions. Factory ratings varied by trim level and model the engine was installed in. To know the exact horsepower of a particular 1987 Chevy 350, you'd need to check the vehicle's original specifications or the engine's build sheet (if available).