McLaren sporting director Sam Michael admits his team will struggle to add another Canadian GP victory to their tally this weekend.
Although McLaren are tied with Ferrari on the leading number of Canadian GP wins, 13, the team are by no means the favourites to win this weekend.
Despite massive efforts from everyone at Woking and small signs of improvement, McLaren are still lagging behind their rivals in terms of pace.
With just 37 points in six races, they are also far behind Red Bull Racing's 164 points in the Constructors' Championship.
And Michael concedes there is little chance of closing the gap in Montreal this weekend.
"Montreal is a track that's been quite good for McLaren over the years and we've got some more things to investigate and try," he said during a Vodafone phone-in.
"I would say that they're parts we're putting on the car to investigate different things rather than a comprehensive update - I would describe it as small steps in the right direction.
"The last few small steps we've put on the car have worked and, as long as we keep doing that, we'll gradually keep moving towards the front.
"We're developing the car, the car is getting better - not as fast as what we'd hope and not returning to form as quickly as we'd like - but the performance is still going in the right direction."
He added: "The most important thing when you're sort of at the bottom of the trough and trying to work your way out of it again - which we definitely are - is to make sure you keep seeing progress
"As long as we keep progressing and keep getting faster and keep competing with the teams that are at the front, then that's what we want to see. That's what is important."
Paddy Power has Jenson Button at 50/1 to win Sunday's Canadia Grand Prix.