injector/ mass air help

[wewfords]

does anyone know what size injector this is its an oe ford injector thats green with part no. f55e-a2e all the deal can tell me is that they came in later stangs and bronaco want to make sure that there 24s that im gussing but when i put a my pro-m 24s mass air on the car it makes black smoke when i revvit and i get a check engine light when the mass air is on and it go's a way when i put the o.e mass back on engine is a 306 w/e303 cam and 70mm tb and an explore intake and et7e head

 

[Mustang5L5]

Those are 1995-1999 Lincoln continental 4.6 dohc injectors- 24 lb-HR, should have a light blue top. Not green.

 

[wewfords]

what does the hr mean?

 

[Mustang5L5]

Pounds per hour. Its how the injectors are rated. Most people leave off the "HR" part though when referring to them.

 

[wewfords]

ok thanks