You Lose It on The way Up, And You Lose It On The Way Down! The morning in Frankenmuth started out with a bit of rain. That clearly would have an impact on how the speedometer calibration would go – but not as much impact as the traffic! Typically the speedo will run a bit faster on wet roads, but we never really got to find out how much variance there was because we ran into heavy traffic on I-75 before we even got to the first 15 minutes. By the time we got restarted, the rain had stopped and we were on mostly dry road (for the limited time we had before the next traffic delay.) We were finally able to get a…