alter the reading of the cars speed by replacing a sedans >Speedo module on
the differential with one from a wagon .Or are they the same ?
225-60- 16 a more common size here and cheaper .My Wife has >195-60-15 on
her 740 turbo could we go 205-60-15 a much cheaper tyre tire to buy , using
the sender unit on the back axle .We love our >Volvos so we got our son a
1990 240 to learn on and boy its fun to drive ,with 195-70--14 tyres .
rear diff sender .Thanks from down under where the water >flows the other
way or does it ?
All 700 series cars use an electronic speedo with a sensor in the rear axel
unit. The sensor is the same, but the calibration of the speedometer varies
with tire size. 240's used a mechanical cable speedo until '85, after that
they got the same electronic setup as the 700's.