The new 1.6 - litre turbocharged unit has already run extensively on the dyno at Renault 's Viry - Chatillon facilities .
The new 1.6 - litre turbocharged unit has already will not have its track debut until the start of next year .
The new 1.6 - litre turbocharged unit has already run extensively on the dyno at Renault 's Viry - Chatillon facilities , but will not have its track debut until the start of next year .