Sure, the "E che" form is tuscany and central Italy (as often happens considered archaic by someone), the "parlo turco" is italian alright:

http://www.treccani.it/vocabolario/ricerca/Parlare-turco/

A more "neutral" Italian would be "Parlo forse turco?".

Curiously, it is a sentence used in literature by Andrea Camilleri which should mean that the form is also in use in Sicily.

JFYI ;-) Mario Vigorone [1980]:

https://www.youtube.com/watch?v=4yANFI1bs9c