Quote:
Originally Posted by Sunroof
My car has been known to suddenly die after a long run on the road and I thought it might be fuel related. Lately though someone suggested that the MSD Blaster ignition coil I installed might be overheating and causing the shutdown after a nice run with the car. The questions came up as to whether I was using a non-resistor rotor? does the Blaster has an internal resistor? or I have external ballast resistor?
I do use the 6500 rpm cut off rotor, which I just realized is not the "non resistor rotor". I will switch to the non resistor rotor, but can anyone shed any light on what's going on with this system set up. And yes, I have bought the silver made in Brazil coil, which failed me miserably after purchase.
thanks
Bob
1973.5T
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Post having the tach jumping, over-voltage episode, new alternator installed, my '78 acted as you say. Engine shut-down randomly after a period of running flawlessly.
Discovered that cooling the CDI box, garden hose water spray, would result in the car starting back up right away. Your CDI box may be overheating, or the MSD blaster. The latter becomes more probable if you non-resistor wiring and/or sparkplugs.