Honda will take “a considerable step” this weekend in Canada.

Like most of the engine manufacturers, the Japanese carmaker will bring an updated ‘power unit’ specification to the Montreal race.

Rumours suggest Honda’s step forward will be as much as 40 hp.

“I don’t know the exact numbers. I think it’s better to ask someone from Honda or Toro Rosso,” said Toro Rosso driver Brendon Hartley.

“But I think it should be a considerable step,” he is quoted by AS newspaper.

Teammate Pierre Gasly said he is looking forward to Honda’s power boost.

“I will wait until Friday to see exactly what the difference is,” said the Frenchman.

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