The Brackley team dominated the first season of the new turbo V6 rules in 2014 and is expected to maintain that advantage this year.
But as testing kicked off at Jerez last week, it was Ferrari that set the headline times amid rumours it has found between 40 and 80 horse power over the winter.
Amid suggestions that Mercedes was actively sandbagging at Jerez, Costa told Gazzetta dello ... Keep reading

Source: Mercedes yet to show full potential - Costa


David Cottle

UBB Owner & Administrator