A new personal best at Eagles Canyon Raceway: a 2:19.3 lap in The Skipper, my 2023 Porsche 718 Boxster GTS 4.0 on Yokohama AD09s. Using RaceChrono with iPhone video, RaceBox Mini S GPS data, and OBDLink MX+ telemetry, the lap highlights where the biggest gains came from—and where there’s still time left to find. Breaking…