Telemetry for Grattan raceway in a 1980s 911 1.39.4From TrackpediaHere is data on a 1980s Porsche 911 with Hoosiers. The driver is a PCA instructor and club racer. Heres the lap map and corner by corner analysis for Grattan Raceway Park: Heres the min/max/avg track data. Heres an mph graph with long G overlaid for braking points. It's correlated with the corner segment. Heres an mph with both long and lat G overlaid. It's correlated with corner segment. |