| With tire wear and other mechanical events taken into account, that (5%) would not be so unusual and in fact may be a fairly good accuracy for all those miles. Rally cars, even for amatuers are equipped with much more accurate speed and odometers because of the inherent problems in normal civilian stuff. Just think how much difference low tire pressure would make (again, plug in the numbers). Even my mountain bike has adjustments for actual tire circumference instead of tire size as over a few thousand kilos there is a noticeable difference. Ask Lynn to keep the front wheel on the ground! | 
01-Jun-2005, 09:59 
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