Can you switch a 4 speed transmission to a 5 speed on a 1989 festiva?

Yes, you can switch a 4-speed transmission to a 5-speed transmission on a 1989 Ford Festiva. This conversion typically requires the 5-speed transmission itself, along with the appropriate mounting hardware and possibly modifications to the driveshaft and linkage. It's important to ensure compatibility with the engine and transmission mounts. Additionally, consider consulting a mechanic or experienced enthusiast for guidance on the process.