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Supercars launches parity evaluation after Chevrolet dominance

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The Gen3 Camaro continued its dominant run at Hidden Valley, the GM product having been first throughout the road in all 15 races up to now this season – though Tickford Mustang driver Cam Waters inherited victory in the Newcastle season opener when each Triple Eight Camaros have been disqualified. 

The second race in Darwin was significantly damning with Camaros making up the top nine – the primary time since 1979 {that a} producer has locked out so many positions in a single race.

The Darwin outcomes heightened tension over parity, with a number of Ford workforce bosses calling for motion.

That motion is now coming, with Supercars confirming on Wednesday {that a} parity evaluation has been formally triggered.

The set off techniques works on a posh evaluation of lap instances that’s understood to chop out outliers – such because the quickest and slowest automobile from every model.

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As soon as it’s triggered in at the very least 5 of eight races, or 5 consecutive, a evaluation is unavoidable.

“Supercars confirms {that a} parity evaluation has been triggered in accordance with the Supercars Championship laws,” learn an announcement from the sequence.

“The parity evaluation system is designed to determine and consider any imbalances among the many competing fashions. It really works utilizing the evaluation of lap instances throughout numerous races to find out whether or not a disparity exists.

“The brink to set off a evaluation have to be achieved persistently over both 5 consecutive races or 5 of eight championship races. These situations have been met following the ultimate race in Darwin.”

Broc Feeney, Triple Eight Race Engineering Chevrolet Camaro ZL1

Picture by: Edge Photographics

Parity has been a scorching matter because the latter levels of Gen3 improvement, with emergency aero testing resulting in a tweak to the Camaros on the eve of the season-opening Newcastle 500.

Since then a lot of the main target has been on engine efficiency because the Ford groups have seemingly struggled for drivability with the quadcam Ford V8.

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That was initially regarded as inflicting points with rear tyre life, nonetheless aero stability is now very a lot a speaking level once more and is more likely to be a vital a part of this evaluation.

Supercars has historically prevented costly wind tunnel work and as an alternative assessed aero by way of CFD evaluation and its personal Car Management Aerodynamic Testing (VCAT) course of, which entails straight line operating.

Nonetheless the largely-controlled Gen3 vehicles are proving tough to equalise, which implies wind tunnel work could also be thought-about.

Transient dyno testing is already being assessed to raised perceive the engine points, with the present parity techniques utilized by Supercars seemingly not having completed the job with two vastly completely different motors.

Because it stands there isn’t any clear indication of precisely what the parity evaluation will entail, sequence CEO Shane Howard indicating that the homologation groups – Triple Eight for GM and Dick Johnson Racing for Ford – can be canvassed for concepts on changes.

“The parity evaluation system has been a basis of the parity evaluation all through the championship over a few years,” mentioned Howard.

“Now {that a} evaluation has been triggered, we have now commenced the nominated course of.

“Supercars have met and are working with each homologating groups to formulate acceptable suggestions for a parity adjustment.”

Cameron Waters, Tickford Racing Ford Mustang GT

Cameron Waters, Tickford Racing Ford Mustang GT

Picture by: Edge Photographics

Supercars final handled a parity concern in-season following in 2019 following the introduction of the Gen2 Ford Mustang.

The Mustang’s radical aero led to cuts on the Ford facet and additions on the GM facet akin to a rear wing gurney flap for the Holden Commodores.

That was determined by way of CFD modelling, earlier than the vehicles underwent VCAT testing on the finish of 2019 forward of the 2020 season.

That led to the restoration of parity between the 2 fashions for 2020, 2021 and 2022 earlier than Gen3 was launched.

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