The 1592 cc and 1756 cc both using a single carburettor again (the Weber 34 DMSA) in spite of this change the 1756 cc was the most powerful engine standard with and top speed.
The 1592 cc and 1756 cc (sourced from the new Fiat 132, introduced in 1972) both made use of a single carburettor again (the Weber 34 DMS). In spite of this change the 1756 cc was the most powerful engine produced with and top speed.