Originally Posted by
The Golden Boy
Old bikes generally don't have room for tires wider than 35- but 32 is usually doable.
This. I have been able to comfortably run 700c x 32 on my 1978 Schwinn Volare, '79 Raleigh Comp GS, and '71 Schwinn Paramount. Small sample size, but 100% success rate, so if that's what you're aiming for you may find it less troublesome than you expect.
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A race bike in any era is a highly personal choice that at its "best" balances the requirements of fit, weight, handling, durability and cost tempered by the willingness to toss it and oneself down the pavement at considerable speed. ~Bandera