Porsche Penske Motorsport will contest this weekend’s IMSA SportsCar Championship event at Road America in two special retro liveries.<br>The #6 Porsche 963 LMDh shared by Kevin Estre and Laurens Vanthoor will carry the blue-and-yellow Sunoco colour scheme made famous by the Porsche 917/30 in the 1970s. <br>Meanwhile, Julien Andlauer and Felipe Nasr will revive the bright yellow livery of the ...<a class='more' href='https://www.motorsport.com/imsa/news/porsche-penske-reveals-retro-liveries-for-imsas-road-america-enduro/10842643/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>