Daniil Kvyat says he's discovered a 'happy place' with his race setup in the Red Bull RB12 despite not maximising his lap count and will focus on outright pace on his final day of pre-season testing.

The Russian's opening day in the second pre-season test at Circuit de Catalunya has been punctuated by a right-rear brake fire midway through the morning session but after getting on top of the issue and fixing the brake duct he completed 69 laps with a best time of 1m 25.049s to take fifth overall.

Kvyat says despite missing some valuable track time he is satisfied he's discovered a solid setup and is keen to hunt outright performance gains on his final day in the RB12 tomorrow.

"We would have liked to have done a bit more laps, but nevertheless there is another day of driving ahead for me, which we will try to make as busy as possible," Kvyat said. "We had a little issue with a brake duct, and we took a little bit of time to understand it and sort it out, but the guys did a good job because the rest of the day there was absolutely no issues.

"With the balance my engineer and I reached quite a happy place quite soon, so now it is about small things here and there, trying to figure out what gave you half a tenth, a tenth here or there, trying to really understand what things work or not. The balance is progressing and panning out quite well.

"There are some other things we still have to go through in the last day of testing, but I am sure we can make up for it. There is nothing specific we are working on."

Kvyat will enjoy his final day of pre-season testing tomorrow (Wednesday 2nd March) before handing over to team-mate Daniel Ricciardo on the final two days in Barcelona.

"I think there is progress which we still have to try to extract out of this potential," he added. "I am still calling it, because the real progress we will see in Melbourne and the first couple of races."