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Post by brivander on Mar 16, 2020 19:18:07 GMT -5
Glad you got the fix do you have any pictures to show what you swapped I didn’t really take any pics but can get some, but the “counter” is what your speedometer cable screws into on the bottom of the cluster, this has the odometer built into it and what controls the speedo as well. It is the ratio of this “counter” that determines how far the needle moves at a given speed and how fast the odometer turns over a certain distance. I’ll get some, if not I think I have some other pics that will show what I mean.
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Post by FrankenMech on Mar 17, 2020 0:26:53 GMT -5
The speedometers shown looked like ordinary mechanical speedometers.
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Post by brivander on Mar 17, 2020 9:11:09 GMT -5
The speedometers shown looked like ordinary mechanical speedometers. That’s correct. It’s the mechanical ratio that is different between a razz and a Jog. For example, I have a 1987 Elite. I changed the speedometer to the non-restricted version. The difference is the non restricted version speedo ratio is different (35 vs 45mph speedos). So it was a direct swap and the speedo read correctly (it takes more turns of the speedo cable to get the needle to move the same mount). The adjustment is all contained in the cluster. This is actually what made me think of someone taking apart the cluster and just changing that piece. I verified all the other parts were correct before finally coming to the conclusion that was the only way my scenario was possible..
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Post by brivander on Mar 17, 2020 9:14:42 GMT -5
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Post by FrankenMech on Mar 17, 2020 15:14:42 GMT -5
My experience with speedometers was with US automotive speedometers which were all set up to read a standard cable drive running 1000 revolutions per mile. The cable speed is adjusted with external gears.
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