London - McLaren will have an upgraded Honda power unit for this weekend's Austrian Formula One Grand Prix, the struggling former world championship-winning team said on Monday.

The team, the second most successful in the sport's history after Ferrari, is last in the constructors' championship and scored its first points of the season only eight days ago in Azerbaijan thanks to Spaniard Fernando Alonso.

McLaren tested the new Spec Three power unit in Friday practice in Baku and Honda's F1 head Yusuke Hasegawa said the team would be racing with it in Spielberg.

"We were able to confirm some progress in terms of the power output," he said in a team preview of the race.

"We have proceeded with the mapping back at the factory utilising the data we collected, and we are going to bring the Spec Three for both drivers this weekend."

Honda's failure to introduce the upgrade two races previously in Canada triggered highly critical comments from McLaren management and fuelled speculation that the partnership was heading for divorce.

McLaren has not won a race since 2012 and had been plagued by reliability problems and a lack of engine performance since it got back together with Honda in 2015.

"I'm hopeful that we'll be in a position to get amid the other midfield runners and take a useful step forwards," said Racing Director Eric Boullier.


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