Can any body please help me im about to start getting the gear together to do the coilpack conversion on my 3dr and ive got a couple of questions id like answering if poss

1/ Can I run an L8 or does it have to be a L6 ?
2/ Do I have to run the Ford coil pack or can I run a MSD blaster coil (part no 8241) from the USA ?
3/ Whos systems do away with the dizzy unit and were do they use a timing pick up from eg, cam or crank or other ?

Any help would be much appreciated
Kev