The brutality Australia showed in the Boxing Day Test has captain Michael Clarke convinced his side will thrive when they tour India and England in 2013.
Australia's innings-and-201-run win, completed within eight sessions, gave Clarke's men an unassailable 2-0 lead in the three-Test series.
Sri Lanka were pathetic from start to finish, compiling scores of 156 and 103 while allowing the merciless Aussies to pile on 460 at the MCG.
"This is our standard now, we've got to continue to get better from here," Clarke told reporters after the match.
"I think we need to be realistic as well. It's about consistency.
"It's nice we've done it in the first two Tests against Sri Lanka and it's great we've won the series, but we have a lot of work to do as a team."
Australia enter the New Year Test in Sydney starting Thursday leading the three-match series 2-0.
Clarke's men will then tour India in a four-Test series during February and March before the Ashes start in England in July.
Clarke commended his side's ruthlessness, which he confessed went missing in the recent 1-0 series loss to South Africa.
"I was really impressed with the way we kept Sri Lanka out of the match throughout the whole Test. That's something we will need to make a habit of going forward with some very important series coming up against firstly India and then the Ashes in England," he said.
"I don't think you develop (ruthlessness) overnight, I think like I say we've learnt from what happened against South Africa.
"Our aim is to repeat our effort here in Sydney and win the series 3-0. We've still got a lot of improvement to do as a team but it's a really positive step for this team to see that we are improving," Clarke said.
First Posted 28 December, 2012 7:38PM AEST