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Overdrive conversion speedo error 120-130 1963

posted by  nglasson221 on  Mon Jul 2 16:53 CST 2007
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last visit: Tue Dec 3 19:42 CST 2013
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I tried responding to your post last night but when I submitted, they just show up as deleted posts.

I have pulled the cog out and it is a 20 tooth black one which I believe to be the original. I have measured it all up and plan to make a 21 tooth cog to go in there. I have all the gear to be able to make one.

If I went to a 22 tooth cog it would make the speedo almost exactly right but the Odo would be 5% too short.

The tyre issue is pretty much irrelevant because I know the extent of the error and how to fix it. It wouldn't make sense to me to replace perfectly good tyres to fix something that doesn't really need fixing.






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New Overdrive conversion speedo error [120-130][1963]
posted by  nglasson221  on Sun Jun 24 13:34 CST 2007 >


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