Lucas di Grassi will spend one more race weekend at the wheel of the original Virgin car.

Lucas di Grassi will spend one more race weekend at the wheel of the original Virgin car.

After it was discovered that the fuel tank was not big enough to reach the chequered flag with normal pace, the new British team embarked on a significant redesign that debuted in Timo Glock's hands last week in Spain.

But di Grassi had to race in Barcelona with the older car, due to the volcanic ash disruptions in the wake of the recent Chinese grand prix.

Now, the ultra-quick turnaround between the Spanish race and Wednesday's scrutineering in the Principality means that the 25-year-old is still waiting for the new car.

In a statement, Virgin said the second new car will be ready for Turkey in two weeks.

"I was pleased with my performance in Spain so I'm optimistic that we can have a good race here," said di Grassi.

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