The team only managed 32 laps in two days of running in the post-race test at Bahrain following a series of problems with their Renault power unit.
Because of the lack of running the team have had to “prioritise what parts to evaluate”, said technical director Nick Chester.
“We’ve had to adapt our programme for China because of this. We’re going to attempt to get as much as we can out of FP1 and FP2 in Shanghai to test new parts, but ultimately we’ve delayed the introduction of some key developments until Barcelona now.
“We have a lot of aero parts we want to evaluate throughout the E22, including an evolution to our nose. Expect to see some bodywork upgrades in China and then a bigger upgrade in Barcelona.”
Chester said Pastor Maldonado was on course to claim a point before his collision with Esteban Gutierrez, and expects the E22 to be more competitive in Shanghai.
“Bahrain was an obvious power circuit, as you could see from the way the cars lined up on the grid.
“China’s got a long back straight, however there are more slow and medium speed corners than Bahrain, so that gives us the chance to try and get closer to the front.”
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