What are is the best gear ratio to run with a turbo 350 and a 292 inline6?

For a Turbo 350 transmission paired with a 292 inline-six engine, a common and effective gear ratio is between 3.08 and 3.55:1. This range provides a good balance between acceleration and fuel efficiency, making it suitable for both street and light performance applications. Ultimately, the best choice may depend on your specific driving needs and whether you prioritize low-end torque or higher highway speeds. Adjustments can be made based on tire size and intended use.