I have a 1998 F-150 xlt with the 5.4 liter engine and I was just curious about how I might be able to find out how many valves per cylinder it has. I have seen them with 2, 3, or 4valves per cylnider and wasn't sure if they changed through the years or not. Thanks.

 

Pretty sure its 2 valves per cyclinder.

 

Your '98 is a 2V motor.

 

Thanks