Romain Grosjean has set his sights on more points for Lotus after bouncing back from a difficult start to the Bahrain Grand Prix weekend to qualify inside the top ten.

Troubles getting the set-up right on the Lotus E23 would see Grosjean well down the order during the practice sessions, particularly compared with team-mate Pastor Maldonado.

However, a change to the rear-end on the Lotus would transform the Frenchman's fortunes, breezing into Q3 before going on to qualify in tenth position.

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"A s**t start to the day and a good qualifying! We struggled to understand what was going on until qualifying, we knew something was wrong and we didn't have many parts to change anything. Then we changed the rear-end of the car and the it felt massively different."

Having returned to the top ten in China, Grosjean is targeting improvements in the race, suggesting he will have the measure of the Renault-powered cars in a straight line at least.

"I hope it stays consistent and nice," he said. "The two Renault cars ahead have less top speed, so hopefully we can overtake them quite quickly. The Force India will be quick in a straight line, so let's see if we can fight with him and then that is where we are."