ART's Formula 3 convert Valtteri Bottas was quickest in both sessions on day two of this week's three-day GP3 test at Catalunya on Wednesday.
The Finn's best time of 1m38.004s came in the morning, and put him 0.188sec ahead of second-year driver Nigel Melker (Mucke). Recent Tech 1 signing Andrea Caldarelli was third quickest, ahead of Jenzer's Nico Muller and Arden's Lewis Williamson.
Times were slower in the afternoon as most teams worked on longer runs. Bottas set the pace again with a 1m39.335s, with Williamson now his closest rival and Manor's Rio Haryanto up to third.
Bottas' teammate James Calado, Status driver Antonio Felix da Costa and Muller completed the top six.
Morning session:
Pos Driver Team Time Gap
1. Valtteri Bottas ART 1m38.004s
2. Nigel Melker RSC Mucke 1m38.192s + 0.188s
3. Andrea Caldarelli Tech 1 1m38.396s + 0.392s
4. Nico Muller Jenzer 1m38.436s + 0.432s
5. Lewis Williamson MW Arden 1m38.488s + 0.484s
6. Adrian Quaife-Hobbs Manor 1m38.517s + 0.513s
7. Gabby Chaves Addax 1m38.551s + 0.547s
8. James Calado ART 1m38.576s + 0.572s
9. Michael Christensen RSC Mucke 1m38.675s + 0.671s
10. Antonio Felix da Costa Status 1m38.683s + 0.679s
11. Daniel Morad Addax 1m38.689s + 0.685s
12. Pedro Nunes ART 1m38.694s + 0.690s
13. Mitch Evans MW Arden 1m38.696s + 0.692s
14. Aaro Vainio Tech 1 1m38.743s + 0.739s
15. Alexander Sims Status 1m38.785s + 0.781s
16. Simon Trummer MW Arden 1m38.788s + 0.784s
17. Matias Laine Manor 1m38.794s + 0.790s
18. Rio Haryanto Manor 1m38.823s + 0.819s
19. Vittorio Ghirelli Jenzer 1m38.887s + 0.883s
20. Tamas Pal Kiss Tech 1 1m38.910s + 0.906s
21. Marlon Stockinger Atech CRS 1m38.945s + 0.941s
22. Nick Yelloly Atech CRS 1m39.024s + 1.020s
23. Leonardo Cordeiro Carlin 1m39.119s + 1.115s
24. Maxim Zimin Jenzer 1m39.208s + 1.204s
25. Zoel Amberg Atech CRS 1m39.235s + 1.231s
26. Ivan Lukashevich Status 1m39.265s + 1.261s
27. Tom Dillmann Carlin 1m39.282s + 1.278s
28. Willi Steindl RSC Mucke 1m39.295s + 1.291s
29. Conor Daly Carlin 1m39.666s + 1.662s
30. Thomas Hylkema Addax 1m39.774s + 1.770s
Afternoon session:
Pos Driver Team Time Gap
1. Valtteri Bottas ART 1m39.335s
2. Lewis Williamson MW Arden 1m39.574s + 0.239s
3. Rio Haryanto Manor 1m39.660s + 0.325s
4. James Calado ART 1m39.742s + 0.407s
5. Antonio Felix da Costa Status 1m39.747s + 0.412s
6. Nico Muller Jenzer 1m39.772s + 0.437s
7. Andrea Caldarelli Tech 1 1m39.812s + 0.477s
8. Alexander Sims Status 1m39.826s + 0.491s
9. Pedro Nunes ART 1m39.917s + 0.582s
10. Mitch Evans MW Arden 1m39.941s + 0.606s
11. Adrian Quaife-Hobbs Manor 1m39.992s + 0.657s
12. Simon Trummer MW Arden 1m40.048s + 0.713s
13. Tom Dillmann Carlin 1m40.101s + 0.766s
14. Marlon Stockinger Atech CRS 1m40.157s + 0.822s
15. Tamas Pal Kiss Tech 1 1m40.173s + 0.838s
16. Matias Laine Manor 1m40.182s + 0.847s
17. Gabby Chaves Addax 1m40.212s + 0.877s
18. Nigel Melker RSC Mucke 1m40.245s + 0.910s
19. Maxim Zimin Jenzer 1m40.275s + 0.940s
20. Daniel Morad Addax 1m40.303s + 0.968s
21. Aaro Vainio Tech 1 1m40.308s + 0.973s
22. Nick Yelloly Atech CRS 1m40.334s + 0.999s
23. Conor Daly Carlin 1m40.371s + 1.036s
24. Vittorio Ghirelli Jenzer 1m40.407s + 1.072s
25. Ivan Lukashevich Status 1m40.564s + 1.229s
26. Michael Christensen RSC Mucke 1m40.706s + 1.371s
27. Leonardo Cordeiro Carlin 1m40.710s + 1.375s
28. Zoel Amberg Atech CRS 1m40.829s + 1.494s
29. Willi Steindl RSC Mucke 1m40.908s + 1.573s
30. Thomas Hylkema Addax 1m41.549s + 2.214s