Thanks for your information and advice. I appreciate it.
I don't want to mess up a good thing.
I took some photos of the parts.
Sorry for the soft focus but I think you can see the difference in wear.
smooth mainspring housing .jpgSmooth Trigger .jpglike new trigger .jpglike new mainspring housing .jpg
I hope you can see these. If not I'll change the lens and see if I can do any better.
Thanks Again for your response.
jm