Quote Originally Posted by NickD View Post
It can wildly vary.
I went through over a 1/4 tank each 20 min session. Started full topped up with 20 liters and had the light on when I left.
Then other guys only used a half tank the whole day.
The other side effect of being in boost for 80% of the lap was I colored my exhaust

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No boost here and both my Foxes have done that after a day at the track