Williams' technical director Sam Michael says the team are planning to introduce the new seamless shift gearbox in their racing car as soon as possible.
The British team are developing the new gearbox, which allows to change gears without any time loss, to use in conjunction with their new FW28 car, which was unveiled today.
A few teams already used that kind of gearbox last season.
Williams, however, want to make sure it's reliable before they introduce it in the races.
"We are still working on the seamless. We have got a lot of mileage on it. It looks good," said Michael.
"But is not quite there yet. We will reserve judgement and we will obviously put something in that will finish the race. We will race it in 2006 as soon as we can."
Team co-founder Patrick Head added: "It is new technology for us and we are debugging it. We have got a backstop which is the same gearbox but in a slightly different configuration, but because the seamless is faster that is what we are planning to be racing."