85MustGT Founding Member Nov 8, 2001 95 0 16 Occupied San Diego Jan 17, 2006 #1 Jan 17, 2006 #1 I just got taller tires and my speedo is off. Current Diameter = 27.8 inches 4.10 gears 1998 Mustang GT with a T45 tranny. Does anyone know of a chart or a way to calibrate the setting?
I just got taller tires and my speedo is off. Current Diameter = 27.8 inches 4.10 gears 1998 Mustang GT with a T45 tranny. Does anyone know of a chart or a way to calibrate the setting?
BooWFO New Member May 10, 2005 991 0 0 Louisville, KY Jan 17, 2006 #2 Jan 17, 2006 #2 If it's the dallas mustang one. Clicky sorry it's on lefthand side under tech info.