> Possibly a speedo for a 4.1 diff?
Not for a TR3 anyway. Working from the road speed data in the owner's
manual, the speedo calibration for a 4.1 diff should be either 1320 (Dunlop
tires) or 1356 (Michelin). Of course those numbers are approximate as not
every calibration was available and they would have taken the nearest
available ... TS39781LO (a 58/59 TR3A originally equipped with a 4.1 diff)
had 1325.
I think David's speedo must have come from some other model, perhaps one
with 14" wheels.
Randall
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