The #93 Huracan piloted by Tony D’Alberto and car owner Adrian Deitz was hit with a 30kg increase in the pre-round Balance of Performance (BOP) adjustments.
Having struggled for outright pace at the opening two rounds at Phillip Island and The Bend, managing a best finish of seventh, team owner David Wall was perplexed as to why the car was hit with such a big change.
“Not sure why we seem to always get more and more of it or they seem to be on the heavy side of it,” Wall told Speedcafe.
“But look, it is the formula. It is a BOP category, and you’ve got to trust the process that they are seeing things that we’re not.
“But, it’d be nice to have a little bit back for once on our side. We seem to have a bigger weight shift than others.
“Others might get five, ten [kilograms] either way. Sometimes we get 20 or more.”
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Wall Racing weren’t the only team to wear a BOP whack. Mercedes-AMG team Tigani Motorsport had 10kg added and performance taken out of the engine by way of a leaner fuel mixture.
Ferrari, meanwhile, was given something of a reprieve thanks to more boost and more rear wing angle but an additional 10kg round-on-round.
Arise Racing GT driver Jaxon Evans had flagged hopes for a BOP swing prior to the Queensland Raceway round.
For Lamborghini, Wall noted the impact the extra weight has on the Huracan’s tyre life.
“Probably the biggest thing that seems to hurt our particular car is just the extra weight, carrying it for a long period of time does seem to work the tyre a bit harder,” Wall added.
In three practice sessions on Friday at Queensland Raceway, D’Alberto and Deitz managed a best position of eighth, setting a 1:07.9190 in Practice 2 to be 0.9950s off the lead.
D’Alberto’s fastest time in Practice 1 on used tyres was less than 0.2s slower than his time in the later session on fresher rubber.
The Lamborghini has proved a competitive package in Australia previously, having qualified and raced well inside the top 10 at this year’s Bathurst 12 Hour.
“I think we showed when our BOP is correct – or when we’re in the window with that BOP scenario, like at Bathurst – we made the top 10 shootout at the 12 Hour,” Wall added.
“So I feel like as a combination, the team and driver combos can do it. and do it comfortably.”
Wall was hopeful that the presence of representatives from Lamborghini at the Ipswich circuit would assist in amending the weight adjustment.
“We do have some representatives here from Lamborghini coming out for this event,” Wall said.
“So hopefully they’re doing what they need to do to try and push our barrow to show that we are maybe a little bit on the heavy side at the moment.”
An extra blow for the team came during the Bronze driver practice session where Deitz was handed a rear of grid penalty for his next race.
When the red flag flew for Brad Schumacher’s off-track excursion, Deitz stayed on the circuit when all cars entered the pit lane.
While the Lamborghini’s speed limiter was engaged and the extra lap was completed at a slow speed, failure to enter the pit lane is a breach of regulations.
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