Chevrolet left the series after the 2005 season. His season highlight was the Indianapolis 500, when he passed Marco Andretti for the lead on the final lap to win in the second-closest margin of victory in the race's history. Hornish later said about the pass, "I figured I came all this way, I ought to give myself one more shot at it. I kind of looked at it as, I was going to drive over him if I had to. For Marco to come as a rookie and drive like that he should be proud no matter what." His second win of the season was at Richmond (after leading for all but 38 laps), and he took the points lead after winning the next race at Kansas. His fourth and final win of the season was at Kentucky, when he started second and led for 57 laps. In the season-ending race at Chicagoland Hornish qualified for the pole position and finished third, clinching his third series championship and Penske's first. Although he and Dan Wheldon finished the year with the same number of points, the tie was broken by wins; Hornish had four, and Wheldon two. For the 2007 season Hornish again returned to Penske, starting the Indianapolis 500 in fifth place. Running consistently in the top ten, he finished fourth when the race was halted by rain after 166 laps. Hornish's only win of the season was the Bombardier Learjet 550 at Texas Motor Speedway, when he started in second place and led for 159 of its 228 laps. His series-best finish on a road course or street circuit, second place at the Camping World Watkins Glen Grand Prix, was overshadowed by an altercation with Tony Kanaan. With the season-ending race at Chicagoland, Hornish ended his IndyCar career with a third-place finish (after starting second and leading for a race-high 90 laps) and finished fifth in the points standings. After the season, Hornish remained optimistic about an eventual IndyCar return: "I hope they move the schedule so that somebody could do it. That's my goal. If I never ran in the Indy 500 again or an IndyCar Series race I would probably say I would be disappointed about that." He received offers to return after his departure, and in late 2008 was rumored to be returning to replace Hélio Castroneves the next season due to Castroneves' IRS problems. Castroneves