Speed limits and conversion from " English " to Metric = MpH to KpH
This from Kelvin Brown
" Had to check that, our NZ road metric change was in 1975. Of interest were the NZ open road speed changes we have had. 1962 from 50 to 55 mph, 1969 from 55 to 60 mph, 1973 from 60 to 50 mph or 80 kph. 1986 from 80 to 100 kph. "
This makes more sense now ; - and a bit more on the McLaughlin Healey
- These speeds are from 1963 - Thanks Kelvin Brown.
Would have been the inaugural " Pukekohe " New Zealand Grand Prix meeting.
Keith Yeats in the Orchid in this part and the other McLaughlin / McLoughlin in a Sprite
Will put the full list on the Pukekohe thread