Here are some of the challenges you would face when trying to mount a 350 small block to a Toyota Supra:
* The engine mounts would need to be custom-fabricated. The 350 small block has a different bolt pattern than the Toyota Supra, so the engine mounts would need to be custom-made.
* The transmission would need to be modified or replaced. The Toyota Supra has a rear-wheel-drive configuration, while the 350 small block is typically used in a front-wheel-drive configuration. The transmission would need to be modified or replaced in order to fit the 350 small block in the Supra.
* The driveline would need to be modified or replaced. The driveshaft and differential would need to be modified or replaced in order to fit the 350 small block in the Supra.
* The exhaust system would need to be modified or replaced. The exhaust system would need to be modified or replaced in order to fit the 350 small block in the Supra.
* The fuel system would need to be modified or replaced. The fuel system would need to be modified or replaced in order to fit the 350 small block in the Supra.
* The electrical system would need to be modified or replaced. The electrical system would need to be modified or replaced in order to fit the 350 small block in the Supra.
These are just some of the challenges you would face when trying to mount a 350 small block to a Toyota Supra. It would be a complex and time-consuming process, but it is possible.