i heard if u get the front rotors off the rangers or mark cars or even the old svo, that if put newer mustang rim on , that center cap will not fit on, will have the same problem if u get the 5 lug rotors from say lmr
Ford ranger rotors won't fit on a 90 5.0. The diameter is too small. Those are the swap rotors for a 4 cyl mustang.
You want 1990 mark 7 rotors, and no the center caps won't fit. I've seen guys machine out a circle in the cap to let it poke through and then run the caps like that.
The wheel will bolt up fine.
If you already have the wheel, run to your local auto parts store and buy a 90 mark 7 rotor and test fit it on the rim off the car. You'll see exactly what you need to do. Then return it if you don't want to go that way