Originally Posted by Demonlude

It's pretty straight forward, as this is what I did with my JDM distributor in order to run an external coil with the MSD SCI+ ignition. First off, I bought an MSD Pro Cap (dizzy cap) which obviously has the extra HT lead socket for the external coil. The MSD part number I think is PN 8292. Just check it here -

http://www.msdignition.com/sci_8.htm

To wire the external coil into the dizzy, take a look at the instructions on page 10 here -

http://www.msdignition.com/pdf/6350_frm%2024381.pdf

If you want pictures of the wiring inside the dizzy, let me know and I'll PM them to your or whatever.