1. 1981-1996 Chevrolet Monte Carlo: The Monte Carlo SS models came equipped with a 350 engine, making it a suitable donor for your project.
2. 1982-1992 Chevrolet Camaro: The Camaro Z28 models were often equipped with a 350 engine, making them a good choice for an engine swap.
3. 1977-1996 Chevrolet Corvette: The Corvette came with a variety of engines, including a 350 cubic inch V8, which would fit in your Bonanza.
4. 1973-1991 Chevrolet/GMC C/K Series Pickups: These trucks were commonly available with a 350 engine, making them a potential donor for your vehicle.
5. 1969-1996 Chevrolet/GMC Suburban/Blazer: These SUVs came with a variety of engine options, including a 350 engine, which could be suitable for your project.
It's important to note that, when swapping engines, there may be additional parts or modifications required, such as motor mounts, transmission, exhaust, and potentially electrical work, depending on the engine you choose and your specific vehicle.