The Wallabies have overhauled their starting pack for Saturday's (0100 Sunday AEST) Tri-Nations Test against South Africa in Bloemfontein.

Hot on the heels of last weekend's implosion in Pretoria, hooker Saia Faingaa, lock Dean Mumm and No.8 Richard Brown have all been dropped to the bench.

The Australian selectors have instead opted for experience in Stephen Moore and Mark Chisholm, and raw energy in Ben McCalman.

Hooker Moore will play his 50th Test and his selection comes after Faingaa struggled with some of his throw-ins late in the 44-31 loss at Loftus Versfeld.

Brumbies team-mate Chisholm, who has 51 caps, will start his first Test of 2010 after Australia's lineout fell apart when the side's set-piece chief Nathan Sharpe suffered an ankle injury.

Western Force forward McCalman, 22, replaces Brown at No.8 after impressing when he came on from the bench for just his second Test in Pretoria.

Wallabies assistant coach Jim Williams said the side needed to stick to its lineout plan better.

"We went away from it there a little bit and obviously Victor (Matfield) and Juan Smith stole a couple of balls there so we're just making sure we address those and keep nice and positive," Williams said.

"For the majority of the game we were in that from set-piece as well.

"It was maybe just technique with throw-ins on a couple and the options that we took inside their 22.

"There are options there to take and we've just got to make sure that we take them next time and make sure we stick to our plan." Queenslander Rob Simmons, a late call-up when Scott Higginbotham injured his back during the warm-up last week, drops out of the 22.

The Wallabies are desperate for a win at Vodacom Park to be able to take something out of this Tri-Nations series.

A first victory at altitude in South Africa in 47 years would, as well as shaking that monkey off their backs, avoid the prospect of a second straight one-from-six series haul.

It would also provide some hope for Saturday week's jet-lagged meeting with the rampant All Blacks at ANZ Stadium in Sydney.

Australia: Kurtley Beale, James O'Connor, Adam Ashley-Cooper, Matt Giteau, Drew Mitchell, Quade Cooper, Will Genia, Ben McCalman, David Pocock, Rocky Elsom (capt), Nathan Sharpe, Mark Chisholm, Salesi Ma'afu, Stephen Moore, Benn Robinson. Res: Saia Faingaa, James Slipper, Dean Mumm, Richard Brown, Luke Burgess, Berrick Barnes, Anthony Faingaa.

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