Bob,
I believe that switch was made with the introduction of Syncro in approx. '87. The cables also switched to stainless.
Marc Boral
Bob Reid wrote:
> I'm sure there is an instant answer to this one (but I just don't know it)
>
> At what point in time did Campagnolo change their gear cables from the old
> heavyweight type (1.56 mm dia) to the more "modern" 1.2 mm cable ? for down
> tube levers.
>
> Bob Reid
> Stonehaven
> Scotland
>
> http://www.wheelscycles.co.uk