How much horsepower for casting number 3951511?

The casting number 3951511 corresponds to a Chevrolet 350 small-block V8 engine, typically producing around 350 horsepower in its high-performance configurations, such as those found in the 1970s Corvette and other muscle cars. However, horsepower can vary depending on the specific application and modifications. Always refer to the specific vehicle or engine package for precise horsepower ratings.