Honda F1 chief Shintaro Orihara admits he is not expecting “big jumps” in performance at the Miami Grand Prix – with Aston Martin ’s poor start to the 2026 season expected to continue. Aston have been blighted by a string of issues with their 2026 car, having joined forces with engine partner Honda for the first time. They remain rooted to the bottom of the world championship standings on zero points after three rounds, level with this year’s new team, Cadillac. More worryingly than any point ambitions, though, drivers Fernando Alonso and Lance Stroll have struggled with the violent vibrations on the AMR26 car.…