Honda won't make a decision until Thursday as to whether McLaren will run their upgraded engine at this weekend's Canadian GP. Struggling for pace and reliability with their power unit, Honda had hoped to introduce an updated engine at the Circuit Gilles Villeneuve. However given their ongoing issues Yusuke Hasegawa, the head of Honda's F1 project, admits it may not be worth making the change is the improvement is very small. The Japanese manufacturer will make a decision this Thursday. 'It is not sure,' Hasegawa told RACER. 'I don't give up it. We're trying very hard. But until Thursday (before Canada) I can't decide. 'Already, we have had some performance factor, but if it is very small,...
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