Team Penske Ryan Briscoe finished the second day of testing at Homestead-Miami Speedway on top while many teams had serious issues with a problem on the track that causes numerous cut tyres.
Several drivers, who lost a set of tyres to an unidentified abrasive agent on the surface of the 1.5-mile oval, had to cut short their session because they ran low on allotted tyres.
According to one team manager the problem may have stemmed from mesh wiring below the asphalt surface.
22 car and driver combinations completed nearly 4,700 laps during the two days.
A further open test is scheduled at the Barber Motorsports Park road course in Birmingham, Alabama, on 22-23 March, before the season debutes at St Petersburg on 5 April.
Pos Driver Team Speed
1. Ryan Briscoe Penske 212.156
2. Scott Dixon Ganassi 211.825
3. Marco Andretti Andretti Green 211.274
4. Tony Kanaan Andretti Green 210.819
5. Mario Moraes KV 210.603
6. Will Power Penske 210.544
7. Dan Wheldon Panther 210.402
8. Mike Conway Dreyer & Reinbold 210.225
9. Graham Rahal Newman/Haas/Lanigan 210.088
10. Hideki Mutoh Andretti Green 209.995
11. Dario Franchitti Ganassi 209.810
12. Vitor Meira Foyt 209.475
13. EJ Viso HVM 209.355
14. Danica Patrick Andretti Green 209.333
15. Milka Duno Newman/Haas/Lanigan 208.984
16. Ed Carpenter Vision 208.925
17. Robert Doornbos Newman/Haas/Lanigan 208.906
18. Raphael Matos Luczo Dragon 208.281
19. Justin Wilson Dale Coyne 208.108
20. Jaime Camara Conquest 206.744
21. Stanton Barrett 3G 206.266
photo:IndyCar - Shawn Payne
Several drivers, who lost a set of tyres to an unidentified abrasive agent on the surface of the 1.5-mile oval, had to cut short their session because they ran low on allotted tyres.
According to one team manager the problem may have stemmed from mesh wiring below the asphalt surface.
22 car and driver combinations completed nearly 4,700 laps during the two days.
A further open test is scheduled at the Barber Motorsports Park road course in Birmingham, Alabama, on 22-23 March, before the season debutes at St Petersburg on 5 April.
Pos Driver Team Speed
1. Ryan Briscoe Penske 212.156
2. Scott Dixon Ganassi 211.825
3. Marco Andretti Andretti Green 211.274
4. Tony Kanaan Andretti Green 210.819
5. Mario Moraes KV 210.603
6. Will Power Penske 210.544
7. Dan Wheldon Panther 210.402
8. Mike Conway Dreyer & Reinbold 210.225
9. Graham Rahal Newman/Haas/Lanigan 210.088
10. Hideki Mutoh Andretti Green 209.995
11. Dario Franchitti Ganassi 209.810
12. Vitor Meira Foyt 209.475
13. EJ Viso HVM 209.355
14. Danica Patrick Andretti Green 209.333
15. Milka Duno Newman/Haas/Lanigan 208.984
16. Ed Carpenter Vision 208.925
17. Robert Doornbos Newman/Haas/Lanigan 208.906
18. Raphael Matos Luczo Dragon 208.281
19. Justin Wilson Dale Coyne 208.108
20. Jaime Camara Conquest 206.744
21. Stanton Barrett 3G 206.266
photo:IndyCar - Shawn Payne