Ultimately Toro Rosso F1 team officially confirmed that it will switch to 2015-spec Ferrari engines next season.
The Red Bull sister team -Toro Rosso used the Italian power-unit power from 2007-2013, in this time, they won one race courtesy of Sebastian Vettel at the 2008 Italian GP.
Earlier this week the World Motor Sport Council granted Ferrari permission to supply a “fourth team” with the 2015-spec engine.
“Scuderia Ferrari and Scuderia Toro Rosso have reached an agreement that will see the Faenza-based squad use the current Ferrari Power Unit in the 2016 Formula One season,” said the Ferrari team principal Maurizio Arrivabene in a statement.
Toro Rosso boss Franz Tost admits he is looking forward to working with Ferrari once more and is expecting they can be aggressive in 2016 with a year-old engine.
“It’s great to be working with Ferrari again,” said team boss Franz Tost.
“We had a fruitful relationship in the past and I’m sure it won’t take long for us all to be working together very well again.
“It’s true that time will be very tight for us to be ready for the first test, but we have the right team of people for this and I’m confident that together we will achieve a competitive package for next year – bring on 2016!.”