4.6l engines came in 2,3,4 valves at different times.
crown vics were 190hp, 210hp, 235hp mostly depending on the exhaust. Some were dual exhaust, some single
The latest crown vic interceptors are 250 hp @ 5000 rpm/297 lb-ft. @ 4000 rpm/9.6:1 compression - 4.6 L V8
Interesting fact...