spider Speedometer - Alfa Romeo Forum
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(Post Link) post #1 of 2 Old 19-06-06 Thread Starter
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alfa spider 3.0L

spider Speedometer

i was driving today and my speedo was showing 80mph
but the speed on the sat nav was 73mph, is this normal, at least its the right way round to avoid the fines !!
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Re: spider Speedometer

mine is also pretty much exactly 10%.. even at 130 / 117 on the way into frankfurt last weekend on my p910 tomtom...

altho gps isnt very accurate when stationary, my maths suggest the faster you go the more accurate it becomes - most car speedos read over anyway i believe.

spose its a tad more important in the v6..
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