Yes, we have to refuel the Z to make an hour and a half. Some SMs have to refuel too, 1.5 hours is right at the limit of their endurance.

Quote Originally Posted by Team SSR View Post
We don't need to refuel for 1 1/2 hour ECR (so we don't). Do the majority of the cars actually have to add fuel, or is it just added during the race for weight reasons?