* Engine Mounts: The 1993 Cheyenne likely came with a different engine (likely a small-block or possibly a big-block depending on the trim level), so the engine mounts will not be compatible. New engine mounts will need to be fabricated or custom-ordered.
* Transmission: The 327's transmission compatibility depends on the specific 327 and its setup. You'll likely need to adapt the transmission to the existing transmission mounts or replace the entire transmission system.
* Wiring Harness: The 327's wiring harness will be different from the original. You'll either need to adapt the existing harness or install a new one, which might require a custom harness to fit the Cheyenne.
* Exhaust System: A custom exhaust system will be needed as the existing system will not fit.
* Cooling System: The cooling system might need adjustments, potentially including the radiator and hoses.
* Computer Control (likely): A 1993 Cheyenne likely uses some form of electronic fuel injection and engine control. Adapting the 327 to this system, or converting the 327 to a carburetor, would add significant complexity.
In short, while it's *possible*, it's not a simple bolt-in swap. It's a major engine swap project that requires considerable mechanical knowledge, fabrication skills, and specialized tools. You'll likely need professional assistance or a deep understanding of automotive mechanics to complete it successfully.