I believe it is 300 SAE NET horsepower at 5000 RPM and 365 lb ft torque at 3750 RPM for the 5.4 3V
The 2006 Ford Expedition's engine produces 300 hp @ 5000 rpm.
The 2006 Ford Focus's engine produces 136 hp @ 6000 rpm.
The 2006 Ford Explorer's engine produces 210 hp @ 5100 rpm.
The 2006 Ford Escape's engine produces 153 hp @ 5800 rpm.
The 2006 Ford Fusion's engine produces 160 hp @ 6500 rpm.
The 2006 Ford Taurus's engine produces 153 hp @ 5000 rpm.
The 2006 Ford Mustang's engine produces 210 hp @ 5250 rpm.
I believe the 4.6 liter V8 engine in a 2003 Ford F-150 is rated at ( 231 horsepower )
3 valves per engine cylinder starting in 2004 on the 5.4 L V8 engine 300 horsepower / 365 ft-lbs torque
360 horsepower
300 horsepower
The 2006 Ford F-150's engine produces 202 hp @ 4350 rpm.