Supercars Legend Whincup Alleges “Illegal” Walkinshaw Cars
A significant controversy has erupted in the Supercars Championship, with motorsport icon and Triple Eight Racing boss Jamie Whincup levelling serious accusations against the Walkinshaw Racing team. Whincup claims that Walkinshaw has been competing with two “illegal” cars during the opening races of the season, sparking a heated debate over technical regulations and fair play.
The explosive allegations surfaced in a social media clip shared by the Apex Hunters United podcast. In the 90-second segment, Whincup directly accused the Walkinshaw outfit of using TIG welds in the construction of their new Toyota Supras, designated for the 2026 season. This, he contends, directly contravenes Supercars regulations, which mandate the use of MIG welds for chassis construction.
“The rules clearly state you cannot TIG weld the chassis,” Whincup stated emphatically. “Walkinshaw TIG welded both their chassis up. Supercars go, ‘Gee whiz, OK, what are we going to do here? If you just MIG over the top, it’s going to be OK’.”
Whincup expressed his strong disapproval of this perceived workaround. “I said, ‘hey, guys, that’s not on. They need to throw them in the bin and start again’.” He elaborated on his stance, explaining his limited recourse: “I can’t tell them to do that, all I can do is appeal the result. So after the first race, I’ll say I think the car’s not legit and go from there.”
The situation escalated when, according to Whincup, Supercars issued a directive. “Supercars issued a letter saying we’re going to allow these two cars indefinitely, but nobody else can do what they did. So from here on in, you’ve all got to MIG weld. It’s out of control.”
The implication behind Supercars’ alleged decision is that they may have permitted Walkinshaw, who operates as the de facto factory Toyota team, to run the non-compliant cars to avert potential embarrassment for the Japanese manufacturer, particularly concerning their participation in the Sydney event. These controversial cars are slated to compete again this weekend as part of the Australian F1 Grand Prix undercard.
The podcast interview, hosted by Triple Eight co-driver Scott Pye and well-known paddock figure Elliot Barbour, was recorded on Wednesday night, with the full episode scheduled for release next week.
While MIG welding is generally a quicker process, TIG welds are known for producing a finer finish. When executed correctly, TIG welds can result in a marginally lighter and stiffer chassis – both factors that offer a distinct performance advantage in the high-stakes world of motorsport.
Whincup highlighted the potential unfairness for other competitors. “If you’re a Kai Allen fan, or a Rylan Gray fan, or a Broc Feeney fan, and you get beaten by a Walkinshaw car this weekend, you’ve got every right to be pissed off because they’re not running the same chassis as what we are,” he argued.
He stressed the urgency of the matter: “It needs to be addressed. It can’t continue like that. They can’t be running these, what I regard as an illegal car. They’re legal because Supercars say they are, but I don’t accept that. We need to get that changed as soon as we can.”
Whincup further explained the rationale behind the stringent chassis builder regulations: “There’s only five authorised chassis builders for this reason – so you don’t have any randos making mistakes. So they’re one of the five. They made an error, I think it’s strategic, hoping Supercars would go, ‘Oh, don’t worry about it,’ which they did. So they’re probably laughing all the way to the bank.”

It is important to note that there is no suggestion that the other three Toyota Supras being run by Brad Jones Racing are in any way non-compliant.
This is not the first instance of welding techniques associated with Walkinshaw causing a stir within the Supercars paddock. In late 2022, the team was among the first to construct chassis for the Gen3 cars. They initially opted for TIG welding on two cars, before regulations later mandated MIG welds. The team was subsequently required to MIG weld over the existing TIG welds. This modification was intended to rectify the issue, but it effectively negated any weight advantage gained from the TIG welds, and questions persist about whether the additional rigidity offered by TIG welding was also compromised.
Walkinshaw Racing declined an interview opportunity with Wide World of Sports. However, team boss Ryan Walkinshaw did speak with V8 Sleuth, expressing his belief that the chassis Whincup was referring to were indeed the ones in question.
“We think Jamie might be a bit confused here,” Ryan Walkinshaw commented. “Because we think he’s referring to the TIG versus MIG debate that we had at the start of Gen3, where we initially TIG’d our first chassis we built, because welding requirements were yet to be confirmed. Supercars allowed us to do it and then they changed the rules after the first chassis was built, and the fix was to MIG over those welds in order to come up with a solution that didn’t require us to build a whole new chassis at huge cost.”

He went on to explain the consequences of this mandated modification: “Contrary to what Jamie says, this is actually a disadvantage, not an advantage, because it actually added a lot of weight to the chassis which obviously we didn’t want, and we couldn’t pull any weight out of another part of the car because they are controlled chassis everywhere else.”
These particular race cars, which were originally built as Ford Mustangs, have since been retired by the team.
“Our two new chassis we currently have are completely approved and certified by Supercars, including our spare chassis, all of which have been at the technical centre where they all passed all their twist tests, et cetera, and have been signed off by Supercars and approved,” Ryan Walkinshaw added.
He concluded with a strong statement on their team’s philosophy: “We aren’t here to throw mud at other teams. If Jamie wants to do that, that’s his choice, but we’re going to do our talking on the track.”
Despite Walkinshaw’s explanation, Whincup remains unconvinced. He reiterated to Wide World of Sports his firm belief that the two cars currently competing at Albert Park are indeed illegal. Supercars has been approached for comment on the matter.






