[1990 yj 2.5l TBI , Are there any alternitive ignition /coil set ups other than stock that will work for this model. ive melted a couple icm and coils wheelin down hear in sunny fl. (thankfully i always carry a spare) 2. when runnin around town ,stop and go sometimes ill come back out and engine will spin like a top but wont crank. 1 shot of ether and she fires right up. what are your thoughts . hot icm and weak spark? weak coil? let hear it. thanks