Webber confident of further gains in second season with Porsche
 

10-04-15 02:54 PM

The German manufacturer is coming off an extensive pre-season development program, with the 2015-spec 919 Hybrid completing nearly 15,000 miles between tests in Bahrain, Abu Dhabi, Motorland Aragon and last month’s FIA WEC Prologue at Paul Ricard.

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