Valtteri Bottas expects Williams to be more competitive in Montreal than in Monaco, but says that the team still has a lot of work to do to improve its car.
The Grove-based squad's hopes are pinned on the major update package that is due to appear at the Austrian Grand Prix in two weeks' time.
“We have small things just for this race, in terms of brakes and maybe the rear wing level and these things,” said Bottas.
“We are still having our bigger package in Austria, which we are quite hopeful of. The fresh engine is good timing for a track like this. That's it really.
"Otherwise I think this track should just be better for our car, that's why we're looking forward to it.”
Not just aero lacking
The Finn added that the FW37's weaknesses are not just in aerodynamics: “I think we're still missing downforce, but for some reason in the slower speed corners we are not so competitive, so there's also something mechanical.
"I think we need to improve everything if we want to win races. If the car is good, it should be good everywhere, so we definitely need to work on that.
"We always have to make sure we get the most out of the car we have. If you have a good car there's no place it's really slow.”
Looking ahead to Austria
Meanwhile, Bottas is looking forward to a return to the Red Bull Ring, where he proved so strong last year, starting from the front row and finishing on the podium for the first time in his career.
“It was a very strong weekend for us, a turning point for us, that's when we started getting much better results than in the beginning of the season.
"I hope for a good result from here, because we're really hopeful of the aero package for Austria, as well as the track should be good for our car.
“The first podium is something really special, you never forget, but now I'm just going there thinking of my first win, really.
"It's going to be very difficult this year, but never say never.”