Welcome to the YJ madness.
I still have a 75% modded stock YJ engine harness setting here on the floor to go in mine. I am setting it up to run off a 1227727. I just have so much going on lately I...

Planning on converting a 4.0 to a GM ecm with DIS?

According to the 1993 wrangler/cherokee FSM I have, the 4.0 has 3 sets of 4 notches which coincide with a pair of cylinders.
It says the trailing edge of the 4th notch is 4 degrees below TDC of the...