THE great Supercars parity war of 2026 is not yet finished.

That’s the candid warning from Brenton Grove, CEO of Penrite Racing, following a tension-filled race week at Tailem Bend.

Ford and its teams were furious about Supercars’ pre-event approval of a front-end tweak that took the Chevrolet Camaro outside of the agreed upon ‘parity box’.

Yesterday it was the General Motors contingent that was aggrieved after being hit with a last-minute rear wing change.

“I think ultimately the result was the right thing for the sport,” Grove told V8 Sleuth of the latest adjustment.

“We need to see on the back of this weekend if it was enough of a correction back.

Pic: Mark Walker

“We still have reservations that the GM has an advantage.

“However, it is now back in the parity box, which ultimately is what we all signed up for. Ford has areas that still aren’t the benchmark, and we’ve told Supercars that work needs to be done on that before Bathurst – and Bathurst has been a big topic with that in recent years.

“But for sure, Supercars made the right decision (yesterday). We got it back within a pre-agreed box, therefore it’s very hard for us to complain now that they’ve followed the rules.”

Among the areas still needing addressing ahead of Bathurst is the altitude impact on different engines, something which flared up at the 2025 Great Race.

So, don’t expect the ‘p-word’ to suddenly be forgotten about.

“It’s not finished,” said Grove.

“The difficulty is that there is an underlying engine issue, or something that presents itself as a straight-line speed issue on the Ford. The change that Supercars made (yesterday) to correct it obviously makes that problem worse.

“Barometric testing has been committed to; however, I’ve heard that in the past as well, so I look forward to seeing it happen.

“Look, at the end of the day we’ve had an open dialogue with Supercars and they do understand that there is more work to be done.

“But our stance certainly is that what’s happened this weekend is a band-aid and it is not the end of the story, because more needs to be done.”