The Duraspark system is identical for 6 or 8 cylinder, it is only the later I6 that got the computer inserted into the system.
These diagrams are useful, the isometric sketch is of a Duraspark II which is basically the Nuttered and Teamrushed version, the schematic is for a 1984 with the computer still in place.
BagusJeep lives in Bali.
1981 CJ7 258ci - Bagusjeep
1984 CJ7 258ci - Puthijeep
1981 J20 258ci - Gladys
1951 Willys CJ3A/MB/M38 - Little Willy
1995 Cherokee 4.0 - CHEROKEE