Three-time Supercars series winner Scott McLaughlin is finding the transition to Indycars tough.
The 27-year-old moved full-time to the single seaters earlier this year but said he's still got a lot of learning before his first race in two months.
"The way that the car reacts and how I feel compared to how I did in a supercar is certainly different," McLaughlin told Gold AM. "A lot of different things compiled into one and you're trying to learn that at such a fast rate as well, it does get a little overwhelming that's for sure."
The Kiwi driver acknowledged he's progressing well though, and is trying to take in as much as he can.
"There's still plenty to come and I'm still getting better and better each time I go out, but it's a long road and I'm coming into probably the toughest category in the world right now.