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  #1  
Old 09-23-2007, 03:39 AM
greer2ed greer2ed is offline
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2003 cvpi speedometer calibration

Hello, I recently upgraded my 2003 CVPI by putting a 3.73 gear in. I'm having trouble finding a way to recalibrate the speedometer. I took it to the dealership and they couldnt do it in the programmable parameters and the Superchips tuner cant do it either. Does anyone have any ideas/suggestions.
Thanks, Ryan.
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Old 09-23-2007, 01:30 PM
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way2old way2old is offline
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Re: 2003 cvpi speedometer calibration

See if you can find the plastic gear that is for a 3:73 and change the gear on the VSS. Since it cant be programmed, you need to change the mechanical end of it.
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Old 09-23-2007, 03:20 PM
reekor reekor is offline
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Re: 2003 cvpi speedometer calibration

From what i understand the 2003 and newer models dont use VSS or colored plastic speedo gears to derive vehicle speed and use the "OSS" output shaft speed sensor.

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Originally Posted by way2old
See if you can find the plastic gear that is for a 3:73 and change the gear on the VSS. Since it cant be programmed, you need to change the mechanical end of it.
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