A dramatic week for Nissan off the track has failed to distract their Supercars drivers on it.
Nissan pair Michael Caruso and Rick Kelly went one-two in Friday's second practice for the Winton Supersprint.
Sitting 17th and 13th respectively in the championship standings, they blitzed the Victorian circuit to edge out the frontrunners.
Brad Jones Racing's Nick Percat was the highest-placed driver in the championship (11th) to challenge the Nissan duo in his Holden Commodore.
Nissan called time on their backing of the Kelly Racing team, announcing on Tuesday their intentions to withdraw support from the end of this season.
It started off a historic weekend for Caruso in the best possible way ahead of his 150th round start.
"It's been a busy week for our team, but we're in a good place with good momentum and the cars have arguably been performing at their best," Caruso said.
"As a group, we'll keep that momentum rolling as best we can, keeping everyone happy, excited and motivated."
Championship leader Scott McLaughlin struggled to 15th in the second practice session after finishing fifth in the morning run.
The Ford ace is chasing a fifth-straight race victory after claiming doubles on Phillip Island and in Perth.
The last driver to do that was Jamie Whincup in 2008 when he went onto win seven on the trot.
Red Bull Holden's Whincup was impressive in the first session to finish third behind Fabian Coulthard and Chaz Mostert, but slumped to 16th in the afternoon.
A stomach bug meant Mobil 1's James Courtney was unable to take part in practice, as Jack Perkins stepped into the 37-year-old's Commodore.
But Courtney is expected to be well enough for qualifying and the weekend's racing.
Qualifying on Saturday begins at 12:40pm, while the 40-lap opening race starts at 3:50pm.