Peugeot 205 speed

Estimated how much the maximum speed of a Peugeot 205 can be with fourth engine 1.1 engine that more than 120 does not raise, with a mouth the carburetor, that is to say of factory. We have enlarged the siclair rather the high one, tuning OK and also new spark plugs. What do you think greetings. Someone knows the siclair measures well