Most box section tubulars of that era were basically the same size so yes you should be able to just switch everything over. How old is the wheel though?
I think I have a pair of AVA rims around I could make you a deal on
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk