[mtpockets]

I experienced this at least 3 times on my MSD distributor. I even talked to the MSD guys at SEMA in '11 about this issue, he gave me his direct line and address asking me to send him the next one that did it. The center electrode on the cap breaks off. The car continues to run as the signal is hot enough but it will eventually wear down the spring pickup on the rotor. Of course, since I met him I've had no failures. I do carry a spare cap and rotor with me always.