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nigel wilde

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paulco

Satnav speedo accuracy?

I recently purchased a Navman iCN 520 and found it has a speed facility. Does anyone know how accurate this is as the Navman shows 70 when my car speedo shows almost 80!! All the readings on the car...
21:54 Tue 23rd May 20066 answers, last by clancyblob 20:02 Tue 30th May 2006

Only 1 question