Austin is a rising star in his native United States, splitting his 2014 season between the Cooper Tires USF2000 Championship and a part-time Global RallyCross Lites program.
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It is understood that the hit-out was organised by Tim Cindric as a reward for his son's efforts combining his racing with ongoing schooling.
“Incredible time testing @v8supercars in Australia,” Austin Tweeted after the test.
“Lots of fun and lots of power, thanks to MSR for the opportunity.”
— Austin Cindric (@AustinCindric) June 11, 2014
Tim Cindric is in Australia for the latest meetings on Penske's planned entry into V8 Supercars, which is thought most likely to occur with DJR.
Team Penske owner Roger Penske is also currently in Australia managing various aspects of his expanding business empire around the country.
Although reportedly impressing at the Queensland test, it appears highly unlikely that Austin's open-wheel career path will see him play a role in Penske's V8 Supercars plans.