Mr50, you cleared up my confusion as well, my car came with the 140mph speedometer and i heard that it came with the 85mph speedometer (not that i'm complaining
)
Big Bopper - i believe the calibration is all in the speedometer so i believe that it would be a straight swap. I think that the speedometer gear may also be the same, so all you would need is the American instrument cluster.
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previous name: 84stangLX
'84 Mustang 5.0 LX
my LX
'89 Mustang GT
my GT