The term "350" is commonly used to refer to a Chevrolet engine known as the Chevrolet Small-Block 350, which is a popular V8 engine that has been produced in various configurations over several decades. The horsepower output of a Chevrolet Small-Block 350 can vary depending on its specific model, year of production, and modifications. Here are some general ranges for the horsepower output of a stock Chevrolet Small-Block 350:
Original production models: The horsepower output of early Small-Block 350 engines produced in the 1960s and 1970s typically ranged from around 195 to 300 horsepower, depending on the specific version and emission regulations in effect at the time.
Performance versions: Over the years, Chevrolet has offered high-performance versions of the Small-Block 350 with increased power output. These engines often feature modifications such as upgraded camshafts, cylinder heads, intake systems, and exhaust systems. Performance Small-Block 350 engines can produce anywhere from around 300 to 450 horsepower or more, depending on the specific configuration and aftermarket modifications.
Crate engines: Chevrolet also offers Small-Block 350 crate engines, which are brand new, complete engines available for purchase. These crate engines can be purchased in various power levels, ranging from around 290 horsepower for more basic versions up to over 500 horsepower for high-performance and custom-tuned versions.
It's important to note that these horsepower ranges are approximate and can vary depending on factors such as the specific model, year, and modifications made to the engine. Additionally, aftermarket modifications, tuning, and other factors can significantly increase the horsepower output of a Small-Block 350 engine beyond the stock ranges mentioned above.