Felipe Massa admitted he was pleased with Williams' qualifying pace after working on performance in Bahrain.

After Williams managed to complete over 100 laps on each of the first two days of the final test, the team started to work specifically on performance on Saturday with Massa completing qualifying runs late in the day. After setting the fastest time of both Bahrain tests so far on supersoft tyres - beating Nico Rosberg who was also on supersofts - Massa said he was pleased with the car's pace.

"We had a very good day today doing almost 100 laps," Massa said. "We did a lot more performance work in the car which is something that we haven't done so much of so far. I'm really happy with the car and feel we found a good balance. We did so much work on the set-up but it is very important that we go to Australia prepared.

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"Of course you are always happy when you see your name at the top in first place, but as well as performance, today was good for the mileage and reliability of the car which we know is needed for Australia. You can never be sure that you are 100% ready for the first race, but I feel that what we have done in these days testing has been important for making sure that we have a car that can not only get to the end of the race, but that will have good performance as well."

Chief test and support engineer Rod Nelson was also encouraged by the work Williams managed to carry out. Asked by Crash.net for his thoughts on a smooth final test so far, Nelson said sorting reliability had given the team the ability to chase performance.

"It's certainly been smoother than last week; we lost almost a whole day last week," Nelson said. "Usually when you make a plan you're kind of optimistic and then if you fall a little bit short then you still end up getting a large percentage of your work done. But it really hurt us last week and you always have to weigh up performance against reliability. Whatever we have to do reliability-wise just eats in to our performance work.

"So we haven't actually done that much performance work with this car. But I'm reasonably happy with how it's gone because I think we're so relatively strong in terms of reliability that we could do that and know that we could have a good day like this today."

However, Nelson also said Williams will not set any goals prior to the first race in Australia.

"It's impossible to say, it's really difficult to say. We'll have to see; everyone else could be running 20 kilos of fuel and we'll look stupid in Australia. So I'd rather wait.

"I'd say we'll do the best job that we possibly can. If we can look ourselves in the mirror and say 'we did the best job we possibly could' then we'll be happy with that."