Lando Norris heads into Singapore hopeful McLaren has cured the straightline speed deficit that's cost him one to two tenths against Oscar Piastri across Baku and Malaysia. The team suspects a fuel injection issue but hasn't pinned it down. In a title fight this tight, those missing tenths have translated to multiple grid positions.
George Russell will run Mercedes' old-spec package this weekend after the Malaysia upgrade got crushed by Red Bull. With a grid penalty already incoming for engine components, it's a clean test window to figure out whether the upgrade actually works—crucial intel as 2027 development deadlines loom.
Esteban Ocon has accepted he'll likely sit out 2027 if no F1 seat materializes, ruling out sportscars but targeting a reserve role. Meanwhile Audi confirmed its power unit hates the heat—not just a top-speed problem but a fundamental turbo-spooling issue in dense, humid air. Singapore's sauna conditions won't help.
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