Re: Speedometer Calibrations
I'm assuming its for the XY? You can just get a speedo cog to fit the sender which will get you into the ballpark.
Unlike the electronic XD onwards ones, you can turn a small screw inside the speedo to callibrate them. Your mechanical XY one is fixed.
Castlemain Rod Shop make up mechanical speedo calibrators....they're really only if you have crazy diff gears where the normal cogs aren't sold in that size.
There's a place in Perth that calibrates instruments.....they are in the Yellow Pages under "Instrument Calibration" I think. They told me all about the backyard trick with my XD speedo.
Superoo Spares in Armadale may provide some help......9497 3660
393 Tremec TKO 9"