Old frame, New build

[Dangermouse]

OK so we all know steel is the best, I am wanting to build something 531 or 753 from the late 70s early 80s into a modern (sorry) bike with latest components, my only problem would be the headset, is there a 1" unthreaded headset that would let me use original forks

 

[Midlife]

Post number 11?

https://www.retrobike.co.uk/threads/threaded-fork-into-threadless-headset-bad-idea.393270/page-2

 

[Midlife]

If you are on lfgss they have a dedicated thread for this sort of thing

https://www.lfgss.com/conversations/212733/

 

[pigman]

A framebuilder can extend the steerer to a blank unthreaded column