Howdy Mr. Gib,
Sorry sir I can not answer your question for you. While Mr. Angus was installing the trigger, he was also doing one of his amazing action jobs on my pistol as well. My shooting buddy, Mr. John, fired my 75B both pre and post Angus. He is impressed enough with both the trigger and the action work, that he wants to get one and have Mr. Angus work his same magic for him as well.
I often hear folks on the CZ forum complain about the factory actions on CZ pistols. But frankly I have not felt the factory action was really a problem. But I do have to admit that both my 75B 40 and the SP-01 had action work by Mr. Angus, and they were both well worth the wait and the money. If I buy more CZ pistols in the future, I have already spoken to Mr. Angus, and he has agreed to work his magic on them as well.
On my 75B, in addition to swapping out the trigger, he also replaced the hammer as part of his action work. So there is no way I could really compare the factory with the Angus pistol, as there was much more involved that just the trigger change.
In case you or other members are interested in have work done of your CZ pistols, Mr. Angus does two different levels of work - one I will call a "carry job" and one designed for competitive shooters. I requested the "carry" job on both pistols and am very pleased with the end results.
Sorry I can not answer your question, but it would be like trying to compare apples to oranges.