Speedometer is 10mph fast. - Mustang Evolution

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Old 09-14-2013, 07:22 PM   #1
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Speedometer is 10mph fast.

does anyone know what could cause my speedometer to be 10mph fast? as far as I know it has stock rear end gears.
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Old 09-14-2013, 07:48 PM   #2
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different gears lol
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Old 09-14-2013, 08:59 PM   #3
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different gears lol
hmmm. is that the only thing that would change it?
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Old 09-15-2013, 01:22 AM   #4
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Unless someone changed your gauges and when they reinstalled the needles they didn't put them where they should have been. Do you have stock gauges?
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Old 09-15-2013, 02:02 AM   #5
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Did you put new tires on?
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Old 09-15-2013, 08:24 AM   #6
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New gears, my 4.10 gears did the same thing
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Old 09-15-2013, 10:26 AM   #7
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they are white aftermarket gauges. I know they aren't 4.10s cause I had those in my fox
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Old 09-15-2013, 10:59 AM   #8
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so who changed the gauges? Did you or previous owner? When installing white face gauges you have to pull the needles off and if you don't set them in the same spot, they will be off reading. I bet that is what happened. YOu are going to have to remove the cluster, unplug it, open up the clear top, pop it off and turn it 10mpg less and pop it back in. Should do it
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Old 09-16-2013, 07:02 AM   #9
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so who changed the gauges? Did you or previous owner? When installing white face gauges you have to pull the needles off and if you don't set them in the same spot, they will be off reading. I bet that is what happened. YOu are going to have to remove the cluster, unplug it, open up the clear top, pop it off and turn it 10mpg less and pop it back in. Should do it
previous owner installed. I appreciate the info. I'll get into that this weekend
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