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Speedo gear for 1964-65 chart

Ceedawg

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Is there a chart for gear ratio teeth on the 64 trans, I have an 18 tooth, not sure what is was for, rear long gone so can’t check ratio. /6 3 speed manual trans.
Thanks
Can these still be bought?

image.jpg
 
i have a printed buried, i also have a selection of gears. 20 ans 21 teeth are the hardest to find.
 
How do they adjust from one size to another? The later is by turning the holder.
 
Is there a chart for gear ratio teeth on the 64 trans, I have an 18 tooth, not sure what is was for, rear long gone so can’t check ratio. /6 3 speed manual trans.
Thanks
Can these still be bought?

View attachment 1822161

Once you figure out what gear you need start a WTB add on here. More than likely a member will have one.

1962-1965-speedometer-pinion-gear-chart (1).jpg
 
Last edited:
How do they adjust from one size to another? The later is by turning the holder.

Good question. It might be the total height of the gear itself. All I know is you just install them and they work.

Some of the higher rear gear ratios do require an adapter.
 
Great, looks like I’ll need the adapter and 19-20-21 to start.big question, where does that adapter go? My cable is a solid rig right into trans unlike the later that screws on.
 
What? I didn't think they were changable due to not being able to adjust the distance from the tailshaft gear? I need a 17 tooth then... my speedo is like 80 at 40 right now..
 
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