it have 285 horsepower
270 hp
The 2003 Chevrolet Silverado-2500HD's engine produces 300 hp @ 4400 rpm.
it has a 327 or 5.3 liter
The 2003 Chevrolet Silverado-1500's engine produces 200 hp @ 4600 rpm.
235 horsepower.
A 6.0 liter 2003 Chevrolet engine has a horsepower of 300. The engines are used on heavy-duty, full-sized trucks and vans.
345
I believe the 4.6 liter V8 engine in a 2003 Ford F-150 is rated at ( 231 horsepower )
According to my Web search, it has 285HP
The 2003 Chevrolet Silverado 2506.0 liter engine fuel pressure should be between 15 pounds and 18 pounds. The specifications are for a new engine.
The 4.6 liter , Single Over Head Cam , V8 engine in a 2003 Ford Mustang GT is rated at ( 260 horsepower from the factory )