Felipe Nasr is optimistic that Porsche Penske Motorsport have gotten a better understanding of Michelin’s new-for-this-year Pilot Sport Endurance GTP tire entering this weekend’s Mobil 1 Twelve Hours of Sebring.<br>The 33-year-old Brazilian, who co-drives the #7 Porsche 963 with Julien Andlauer and Laurin Heinrich, heads into IMSA’s once-around-the-clock endurance round at Sebring ...<a class='more' href='https://www.motorsport.com/imsa/news/porsche-963-in-a-good-window-with-new-gtp-tire-entering-sebring-says-felipe-nasr/10806429/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>