Supercars is giving its fans a chance to prove themselves on iRacing by releasing the car set-up each of the 25 drivers will use in the All Stars Eseries.
The online competition will utilise fixed set-up races, meaning every driver will use identical car settings to ensure balance across the field.
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The set-ups for the subsequent events are expected to be released as the 10-round Eseries continues week-by-week.
Already fans have a benchmark they can aim to beat. Set-up maker Kostecki has recorded a best lap time of 1:27.605 at Phillip Island and 1:45.952 at Monza.
Track conditions will need to be set to a temperature of 18 degrees centigrade (65 degrees Fahrenheit) with overcast weather.
The first BP Supercars All Stars Eseries will take place on April 8 and will be broadcast live in Australia, New Zealand and internationally.