I like the SS conversion suggestion. I had a Le Tour of the same era and converted it to Fixed gear with 42-19 gearing (I have hills here). I liked it, but converted it back and set up a similar aged Traveler as the fixed gear (selling the Le Tour as it was originally set up). My reason for going with the Traveler was that it was a 4130 frame also with almost identical geometry, and without the shift lever braze-ons.
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In search of what to search for.