Julien Andlauer has the #7 Porsche 963 out front after four hours in the Mobil 1 Twelve Hours of Sebring.<br>The Frenchman leads Porsche Penske Motorsport teammate Matt Campbell, driving the sister car #6 entry, by 1.9s around the 3.74-mile, 17-turn airfield circuit.<br>There has been plenty of chaos with four full course cautions as the field, with 110 laps completed thus far.<br>From the ...<a class='more' href='https://www.motorsport.com/imsa/news/12-hours-of-sebring-hour-4-porsche-penske-motorsport-in-control-running-1-2/10807112/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>