Can you swap a 305 with a 350 in a 1989 g 20 Chevy cargo van?

Yes, you can swap a 305 engine with a 350 engine in a 1989 Chevy G20 cargo van, as both engines share the same basic architecture and mounting points. However, you may need to address differences in the engine management systems, wiring, and possibly the transmission, depending on the specific configurations of the engines. Additionally, ensure that the radiator and cooling system can handle the increased power and heat generated by the 350. It's also advisable to check local emissions regulations that may impact the swap.