Engine Cutting Out! What to check?

67Dart273 said

Ignition, ignition, ignition.

Suspect everything and anything

I agree with possible coil failure

Carefully examine the cap / rotor and test the coil wire

Check primary voltage to the ignition. WHAT are you running for ignition, by the way?

Substitute something else you may have there for the system you have now.

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Just running points setup at the moment. I have a Pertronix Ignitor III to replace the points and a 45,000 volt coil to mate it with. I was trying to get the bugs worked out before I upgraded it all just so I knew the exact problem. Just wierd that it all of a sudden runs bad. I am wondering though if I should upgrade to their street/strip HEI setup instead. I am a little concerned with the Ignitor III handling high rpm's. Their website doesn't really say.