How out are the standard clocks?
07-06-2007, 06:44 PM
#1
Monte Geek
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How out are the standard clocks?
Seem to remember someone saying 7% or something
IE a displayed 140mph on the cossie speedo is actually 130mph
Has anyone match this to there GPS?
IE a displayed 140mph on the cossie speedo is actually 130mph
Has anyone match this to there GPS?
07-06-2007, 09:35 PM
#2
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I'll have a look when i got my sat nav in the car on saturday.
If i remeber right tho its just that same as most cars ie only slighty out.
I will post my findings
If i remeber right tho its just that same as most cars ie only slighty out.
I will post my findings
08-06-2007, 07:38 AM
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As a rule it is around 8%, i.e. a reading of 70 on speedo is 64.4mph
I was showing with standard wheels, 161mph on the speedo and 151mph on GPS, then on 19's it read 160 on the speedo and 160 on GPS
I was showing with standard wheels, 161mph on the speedo and 151mph on GPS, then on 19's it read 160 on the speedo and 160 on GPS
08-06-2007, 12:02 PM
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Originally Posted by cossymad
As a rule it is around 8%, i.e. a reading of 70 on speedo is 64.4mph
I was showing with standard wheels, 161mph on the speedo and 151mph on GPS, then on 19's it read 160 on the speedo and 160 on GPS
I was showing with standard wheels, 161mph on the speedo and 151mph on GPS, then on 19's it read 160 on the speedo and 160 on GPS
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