Caruso made an off-season switch to the Holden squad off the again of two enduro campaigns for Tickford Racing, identify alongside James Golding within the four-driver Bathurst line-up.
The precise pairings, nonetheless, had been initially left open.
They’ve now been confirmed on the eve of the pre-season take a look at, with Caruso becoming a member of Winterbottom within the #18 entry, whereas Golding switches to Scott Pye’s automobile.
Each co-drivers are anticipated to chop laps of their respective vehicles at Winton tomorrow.
Caruso and Winterbottom might be one of the skilled pairings within the subject, having made 33 Bathurst begins between them.
“I’m actually excited to staff up with Frosty within the #18 Irwin Racing automobile at Bathurst this yr,” stated Caruso.
“We’ve been rivals since we raced karts as children, however we now have by no means truly teamed up for something so I’m wanting ahead to seeing how he operates throughout the staff.
“I’m very a lot conscious of his talents as a Supercars champion and he’s received Bathurst as nicely, so it’s thrilling to staff up with somebody who is aware of easy methods to get the job achieved up there.
“Tomorrow’s take a look at at Winton goes to be an ideal alternative to get a really feel for the automobile, meet folks within the staff and work collectively for the primary time and work on all of the little processes which might be essential to the top outcome.
“Earlier than then I’ll simply be taking a look at getting as a lot seat time as attainable between take a look at days and experience days so once we get to the Bathurst 1000 we’re absolutely ready to place our greatest foot ahead.”
Golding, who completed eighth at Bathurst with Winterbottom final yr, stated he is wanting ahead to a brand new problem with two-time Bathurst podium finisher Pye.
“It’s superior to staff up with Scotty within the DeWalt Racing Commodore on the Bathurst 1000 this yr,” stated Golding.
“We had a robust run with Frosty final yr and I’m pumped to proceed on within the Group 18 steady.
“Scott’s an skilled campaigner on the Mountain and as a two-time runner-up he has a robust observe document up there.
“If I put my greatest foot ahead and ship for the staff, it offers me the very best alternative to maintain my identify in body for a predominant sport return in 2022.”