Charles Leclerc feels that Ferrari still have some work to do, despite topping the timesheets in both of Friday's practice sessions for the Spanish Grand Prix.
The Monegasque led the way in FP1 and FP2, whilst teammate Carlos Sainz finished each hour in P2 and P4 respectively.
Reflecting on what the team had achieved during the day, Leclerc was happy with certain aspects of their programme, but hoped that improvements could be made overnight to some of their weaker areas.
"Our qualifying runs don't look bad, but we have some work to do, in particular on our race pace and on tyre management," Leclerc said.
"The stints we did on the Soft compound felt better than those on the Mediums.
"Tonight, we will analyse our latest data to find where we can improve on this track, as the conditions are very different to the last time we were here during winter testing."
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Sainz admits FP2 was "tricky"
Sainz took a similar view on how the day's running had gone, and admitted that FP2 proved to be a more challenging session than the opening hour of practice.
"A bit of a tricky FP2 compared to a positive FP1, as we struggled a bit with tyres and balance after the changes we made," the Spaniard explained.
"We need to look at it and find the correct adjustments for tomorrow, but we’ve got plenty of data and I'm sure we'll find a more comfortable set-up.
"It seems like there is a lot of degradation with the heat, which could be crucial for the race, so we’ll also keep an eye on that."
Despite the issues, Sainz was given a boost from having the support of the home crowd.
"I'm very impressed with the number of fans in the grandstands today," he added.
"It's fantastic to see all these people supporting us and their good vibes are a huge motivation!"
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