Timing vacuum advance. Pull the cap and check the counterweights for the advance see if they are moving together andnot binding. It may be flooding out at the first hit of throttle. Best I got.
89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.
AF Jeep Club Tail #184