My main question is about the stock ignition coil but it could be related to the other two components to the ignition system. Recently I have been driving along everything running perfectly and then I will get an instant cut out, my tach goes to zero if Im idling. Then the engine will start like nothing happened, when I am traveling in a faster speed the engine instantly cuts out then cuts back in, on decel one time on cut out I got a loud exhaust backfire like a gun shot, the tach jumped from top to bottom then the engine resumed normally in all instances. I checked the wiring connections at the coil and tightened everything up. Could a failing ignition coil have this symptom? Just an occasional spilt second cut out, almost too fast to notice if the dash lights cut off, I dont think they do but not sure. The other culprit could be my Crane xr-700 ignition module. So my main question again, would be related to the coil? No starting issues with the starter indicating low battery, it has taken a couple of starts recently on a cold start up, my amp guage has been a scosh to the right more than it used to since running the small cooling fan, I figured thats normal. I get 12.3-12.5 v on the battery when the car is off FWIW. Does anyone have any experience with this or suggestions?