Ferrari's Finnish driver Kimi Raikkonen described himself as reasonably happy after finishing fifth and fourth in Friday's two practice sessions ahead of the US Grand Prix.
Raikkonen and his Brazilian teammate Felipe Massa finished behind the McLarens of Fernando Alonso and Lewis Hamilton in both sessions but Raikkonen believes they will be in a position to match the English team in Saturday's qualifying competition.
"I am reasonably happy with how today (Friday) went," he said. "This afternoon, we definitely improved the situation over the way it was in the first session.
"There is still work to do on improving the car's set up but I think we can be competitive up against our main rivals. One thing that is certain is that we will put all our effort into achieving that."
McLaren, through Alonso of Spain and Britain's Hamilton, have dominated the last two Grands Prix at Monaco and Montreal and have a commanding 28-point lead in the constructors' world championship.
But Ferrari have won six of the last seven Grands Prix in Indianapolis and Massa believes they are in position to extend that proud record on Sunday.
"Overall, I am reasonably satisfied," said the 26-year-old, who was seventh fastest in the morning and third fastest in the afternoon. "We worked throughout on race preparation and I think that on this track, we are a bit more competitive than was the case in the last two races.
"We definitely have more grip and we are getting the tyres to work better. All in all, I think we can fight for the top places."