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speedo off by 20mph

69clone

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Hey guys, my 69' satey (318/727 8 1/4 rear) is having issues with the speedo. When stopped it sits at 20mph I took the cover off of the speedo and fiddled with the needle to try and get it to set at 0 without swinging back to 20. But after I was able to get it to stay at 0 I started to drive down the driveway when it shot all the way across and didn't come back. I did pull out the cable and reattach it with no luck.
 
Just drive 20mph faster:toothy12:

Probably not the answer OP was looking for....but funny all the same. :bootyshake:

I think either the cable is screwed, or the drive pinion has been mangled. Other than that the speedometer itself could be jammed up. I had a speedo needle break off many years ago - I always suspected it to be from driving too fast. :)
 
Lol thanks guys, I don't think it is always 20mph off once I get up to highway speed I believe it reduces the difference, that or people on the highway aren't driving the speed limit lol If it were as simple as driving 20mph faster I could live with that but I messed something up playing with it because now when i start driving it shoots all the way past 120 and falls down on the right side.
 
Time to send the speedo head to a shop that does speedometers, however there are fewer of them last time I looked.
 
Time to send the speedo head to a shop that does speedometers, however there are fewer of them last time I looked.

....what he said. Mine did the same thing last year....took it in and all is fine.
 
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