[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