In 1985 the engine design evolved again , as it was bored and stroked to 5,167 cc ( 5.2 L ) and given 4 valves per cylinder -- quattrovalvole in Italian , .
The model 's name .
In 1985 the engine design evolved again , as it was bored and stroked to 5,167 cc ( 5.2 L ) and given 4 valves per cylinder -- quattrovalvole in Italian , hence the model 's name .