Did you replace the condensor when you changed the points? Condensors cause a lot of problems, I would also check your point gap or dwell. You could also have some bad plug wires, or rotor and dist cap. The plug wires can be checked with an ohmmeter, 1K ohm per inch of wire is about normal, a little over is okay, say for example a wire is 27" long, it shouldn't be much over 27K, if its 50k or more its bad, the higher resistance it is, the worse it is. Post your results. Good Luck.
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