McLaren made a late decision to revert to its previous-spec front wing for sprint qualifying at the Canadian Grand Prix after the updated front-wing design failed to deliver the expected gains in practice. Technical director Neil Houldey said the new wing “wasn’t quite delivering,” and that switching back to the prior wing restored driver confidence and unlocked better performance. Team principal Andrea Stella described the U-turn as a conservative, data-driven choice to avoid introducing an unproven element mid-weekend and said the team needed more time to evaluate the wing’s behavior, adding that McLaren remained “three tenths off” pole while Mercedes had brought meaningful upgrades.
Both Lando Norris and Oscar Piastri had tested the new front wing in Free Practice 1, with Norris running it early and Piastri trying it later, but Friday running was limited after both drivers had excursions onto the grass under braking and posted P6 and P7 in FP1 respectively. McLaren elected to run the older front-wing specification for the sprint session to keep the car predictable for the short-format event; Norris qualified third in the sprint ahead of Piastri in fourth, behind sprint pole-sitter George Russell. Norris described the new front wing as “a bit more questionable,” and warned Miami-derived parts might be track-specific, while Piastri said more work was needed to match Mercedes, who remained the benchmark.
The reverted wing formed part of a broader second-phase upgrade programme that began in Miami, with McLaren bringing a seven-part package to Montreal that included a new front wing, a reprofiled engine cover with different cooling exits, a new halo fairing, revised suspension fairing and rear wing endplates, and tweaks to the floor-edge wing. McLaren framed the changes as an iterative technical progression intended to build on Miami momentum rather than a one-off tweak, and said some elements of the new wing might be reintroduced either next weekend or at the Barcelona round after further assessment and more running.
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