Quote:
Originally Posted by KillerBee370
According to my GPS, my speedo is 1 mph fast.
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In my vehicle, my GPS (I use my Passport as a "primary" spedo) indicates the exact same thing...per GPS I'm going 70 while my Z's spedo shows 71 or so.
Then again, those highway readout radar sets I occasionally will usually show something different than what my GPS or the car's spedo is showing!