Wow the cauldron of discontent...
I am amazed that a simple check for a problem and a fix that really works gets so much discourse.

Phasing works and the car runs better. Another perfect example of why some cars are faster & run better than others.

I have checked a number of used caps-the good ones-not the elcheepos-and there is no geometric tolerancing problem with the index slot and the positioning of the terminals. Are there any other forensic questions??

Here is a pic of the test cap terminals,that came off an un-phased distributor. Please look at the pic post #1 and look at the difference. Higher resistance in an electrical path reduces the efficiency of the circuit. E=IR