How much doese a 305 motor weigh?

A 305 cubic inch (5.0L) small block Chevy motor typically weighs around 450 to 500 pounds, depending on specific components and configurations. This weight can vary based on factors such as the inclusion of accessories, the type of intake manifold, and whether it's equipped with a carburetor or fuel injection system. Always check manufacturer specifications for the most accurate weight for your specific engine setup.