just come in from shed to read this.
I don't know more than three people that I know of that actively modify stuff, in particular actually machine and modify!
But why would you? All the stuff out there is better than anyone can build, excluding the real professional builders (Ben!) with great original ideas.
I'm still finishing off my Harris yet I constantly cast a glance at my B-King and shake my head sometimes and go ........why?
It's because my ideology about bikes is different, Old!
We had to make bikes better back in my day and you could but it is a hard task to better anything out of the box nowadays unless you have lots of time, money and inspiration.
Spoilt for choices now.