does anybody with stock tire/rims know the difference between speedometer and real gps speed?
L.R.C. Active Member May 21, 2007 234 0 Mar 4, 2018 #1 does anybody with stock tire/rims know the difference between speedometer and real gps speed?
ahm Active Member Jul 3, 2014 9 0 Mar 4, 2018 #2 I generally go on the assumption the speedo under reads by between 3-5mph. Not got a satnav to compare against though. Sent from my S30 using Tapatalk
I generally go on the assumption the speedo under reads by between 3-5mph. Not got a satnav to compare against though. Sent from my S30 using Tapatalk
