May 21, 2011 Pirelli to change colours to differentiate tyres in 2011 Edit Delete Tags Autopost Source: http://feedproxy.google.com/~r/F1InsightAFormula1Blog/~3/iW2fhYHXXjo/pirelli-to-change-colours-to.htmlKenneth William Schrader Bradley Reed Sorenson Anthony Wayne Stewart Martin Lee Truex Jr