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Acura, Cadillac, Porsche and BMW all had to adhere to the same minimum weight limit of 1030kg for January’s Rolex 24 at Daytona, the first race for the new breed of hybrid-powered LMDh cars in IMSA.
But the sanctioning body has decided to increase the minimum weight by a varying degree for each of the four manufacturers, with the Daytona-winning Acura ARX-06 now required to run at or above 1054kg.
This marks a 24kg increase over the season opener and means the ARX-06 will be 16kg heavier than the rebranded Cadillac V-Series.R, which will now be the lightest car in the category at 1038kg.
The BMW M Hybrid V8 and the Porsche 963 must weigh 1040 kg and and 1048 kg respectively, without taking into account the driver or the fuel load.
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