Rob,
You might check the circumference of your tires with a string, then
compare to the measurement on an originally fitted tire. Newer tires of a
given size tend to be smaller in circumference, hence the thread about
tire size and interchangbility.
Bob
>Hi all,
snip>
>The second problem is that even when the speedo is not behaving
>erratically, it appears to be overstating the speed by about 10MPH (I
>think). At least when travelling in a 60Kph zone, the speedo reads
>about
>50MPH (tacho states ~2200 RPM in fourth). Doing the MPH->KPH
>conversion,
>the speedo should read 38 when travelling at 60KPH.
>
>Given that my car is a non-overdrive vehicle (at least there is no
>overdrive in at the moment, there is no nor ever has been an overdrive
>badge and there is no record of overdrive removal in my receipts
>history),
>could the problem be caused by having an overdrive speedo attached to
>a non
>overdrive transmission?? Or am I barking up the wrong tree and should
>I be
>looking for a new speedo unit?
>
>Cheers all, and sorry for the wordy posting!
>
>Rob Meredith '72B
>
>****************************************************
>** Rob Meredith BComp(CompSc) BComp(InfoSys)(Hons)
>** PhD Candidate
>** School Of Information Management And Systems
>** Monash University AUSTRALIA
>****************************************************
>
>
>
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