bronco 2 tfi conversion to msd ignition

[mauser1111]

Sorry if I'm not a 100% percent sure on wat I'm asking hee but here it goes. I came across a msd ignition box, the rectangular square box you know what i mean, and a ford tfi conversion harness for the msd igniton box. My question is will the msd ignition box do away with any ignition components i.e. any problems that already exist, becase see im having problems with igntion somewhere between the coil and distributer. Or is the msd just some sort of ignition upgrade, i mean im not even sure what they do but i got it for free. If not can I just wire in the msd box, do away with the ford tfi and put in a regualr old oil filled coil. I mean all I want is the computer in the bronco is to work the fuel injectors if at all possible.