How much hp does the ford fr9 engine have?

The Ford FR9 engine doesn't have a single horsepower rating. The output varies significantly depending on the specific application and tuning. It's a family of engines used in various Ford vehicles and powerplants, so the horsepower can range from hundreds to thousands, depending on whether it's a naturally aspirated version or one with forced induction (like a turbocharger or supercharger). You'll need to specify the *exact* application (e.g., "Ford FR9 in a 2023 F-150") to get a horsepower figure.