Quote:
Originally Posted by mountainman
I have 3 Porsches and all 3 do the same. Somewhere from 2 to 4 MPH less than the gps shows.
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Must have had a senior moment, or I have sniffed too much of the paint I am brushing today. Meant to say the speedo reads more than the gps on all 3. It is hell getting old, but there is only one alternative...