I suspect what you're finding (Uno CS) is for Brazilian-made Uno models. They have all sorts of differences including: 1050cc engine, clamshell bonnet (folds over at the sides) and flat glass headlights (like a Tipo), spare wheel under bonnet, and rear suspension from FIAT 127 as you identified.
Uno Turbo in Brazil will probably have those parts as well but the Euro-spec Uno Turbo has the same design as the 70SX you have. There are theoretically differences in spring lengths and shock absorber damping rates but - after 20+ years - those difference are academic as you'll probably be uprating the suspension anyway in the replacement of end-of-life components.
The Mk2 pages are probably more use to you as many parts will be the same as Mk1 except, obviously, body, trim, and engine parts.
-Alex