The Warrnambool-raised formula 500 driver has lived in America for seven years, moving over as a teenager with his dad Damien and younger brother Tommy.

Now 21, Carroll has returned to jump behind the wheel of newly-formed team 46 Motorsport this summer.

He's quickly adjusted to the competition, winning the 'King of the Bridge' crown at Murray Bridge on Saturday.

Carroll, who still has relatives in Warrnambool including two of his four siblings and grandparents, will also race for the Australian title at Simpson on December 21 and complete speedweek during the Christmas-New Year period.

The racer recently received his green card - his USA citizenship - allowing him to return to Australia regularly.

"I'd love to come back every year. It's something I've always wanted to do but I never thought I'd get the chance to do it," Carroll said of his racing ambitions.

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Carroll said 46 Motorsport was the ideal team to race for during his month-long stay in Warrnambool.

He said the crew - Jason and Wayne Willie, Trevor 'Teddy' Bence and Jai Currington - provided support and guidance.

"I met all them when I was a little tacker running around at the speedway," he said.

"Everyone who is on the team and is part of it are people who I've grown up with, so that's what is really cool about it.

"Jase was dad's first apprentice back in the day. I've known Jason since I was a baby."

Jason Willie said he was happy to provide Carroll with a drive.

"It was all put together pretty quickly because Danny got his green card and we got together and brought the car from up in Brisbane," he said.

"We built a trailer in a couple of weeks and it got registered the day before we had to go to Warrnambool (to race)."

He said he wanted to give back to Damien Carroll, whose business he now co-owns with his own father.

"Damien has helped us out a lot in the business as well and it's a bit of a thing to repay and say 'thank you' to Damien, us putting Danny in the car," he said.

Carroll said his main goal was to "have fun and hopefully the results will follow".

"It's not like there's any pressure to do well, it's just go out there and do your best," he said.

"If we win, we win, and if you blow the motor, the motor blows. I am more excited to go to Laang speedway and the littler bull-ring tracks like we run back home (in America), that will suit my driving style a lot better than these bigger tracks.

"But we're doing pretty good on the big tracks too which surprised me.

"You've got to have a good car and equipment to do well and Jason, Jai and Teddy have given me a really good car and Stephen Bell has built me a really good motor."

Carroll races wingless mircos in the USA and is adjusting to wings and "a totally different driving style".

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