Veteran lock Nathan Sharpe is confident small adjustments will make a big difference to a Wallabies team still smarting from their scoreless performance against the All Blacks.
The Wallabies are desperate to put a difficult start to the Rugby Championship behind them when they face a similarly chastened South Africa in Perth on Saturday night.
The Springboks beat competition newcomers Argentina 27-6 in Cape Town, but they could only scrape a 16-16 draw and are under pressure as they attempt to stop a four-match losing streak against the Wallabies.
