Joined: Nov 2006
Posts: 19,811
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From: NJ, NYC, LI
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
I vote "yes" for your upgrades, except for the Campagnolo. Suntour is better suited to this bike, for reasons already stated above, and I'd look for a Sugino or SR crank, preferably with 110 or 130 BCD. An older Shimano crank with Biopace would be okay too.