“It was a reasonable day – and quite tough as we introduced the F-duct,” Vettel told. “We still need to do some fine tuning, but it looks good. I think McLaren looks very competitive here, their system seems to be working well and they seem quite a bit quicker than everyone else on the straights. You can make up time in the corners, but there are quite a few straights joining them. We’ll see if we keep our system on.”
Vettel told he think McLaren, top fast in both sessions, is taking a important advantage from its F-duct on the Istanbul layout. He therefore declined to confirm whether Red Bull will keep or ditch its initial prototype for qualifying and the race. Vettel was also happy with his new bodywork, after hurt was found to its predecessor in the wake of the Spain/Monaco double-header, won by his team-mate Webber.
It feels more natural and it was a good step to make the change,” he added.
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