i had an msd right when they came out. i had issues with it on my car. changed every aspect trying to diagnose the problem. different cdi, msd unit and wiring harness. i still have an extra msd wiring harness. put the msd on another car and no issues.
i put on a dyna programmable and no issues. ive put dynas on 5+ cars.
but back to the original topic.........