TR6 Speedometer

["Robinson, David, Squadron Leader" <RobinsDa@lhheat.mcclellan.af.mil>]

>
>I am in the process of converting a carburetted TR6 to RHD.   I have
>managed to get hold of a speedo from a fuel injected car (from England)
>that has the speedo calibrated in kilometres rather than miles per hour
>(I intend taking the car to Australia where all speeds and distances
>are given in kph not mph).
>
>I think the fuel injected TR6s had a different diff ratio (3.46 vs.
>3.71)??
>I was wondering if anyone could tell me what affect this will have on
>the accuracy of the speedo.
>
>thanks
>David Robinson
>1973 TR6
>