And his father believes he is a better bowler than when he faced India at The Oval in his last Test match.
"He's happier now than when he last played for England and he's now a more consistent bowler," added Tim.
"Shahzad and Bresnan will be chomping at the bit as well and when they get out in Melbourne for the three-day game they'll be out to prove they should be selected as well, but Chris is in with a good chance."
Tremlett junior's call-up for the tour followed an impressive first season at Surrey, during which he took 48 first-class wickets following his move from Hampshire.
"The move to Surrey has worked well for him and he had a good season last year," he added. "It's disappointing from my point of view that he isn't playing for Hampshire anymore but he is happy playing in a different environment. It's all worked well."
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