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Speedo issue

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Old 09-28-2010, 05:48 PM
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Default Speedo issue

Hey folks here is the rundown on my setup. The car is running a 2002 corvette PCM on a 1997 lt1 M6 I am using HP tuners to try to calibrate the speedo before installing the Dakota digital sgi-5 box.

(I am trying to avoid cutting into any wires) I think the main difference is that the differential on the corvette houses the VSS sensor, and the T-56 houses the VSS on my car.

Right now the the speedometer is reading way high, but want to know if it possible to get it close with hp tuners, or if I am wasting my time trying to go about it this route. My tuner didnt think it was possible, but EFI connections that makes the conversion kit for this setup thinks it is. The only issue is EFI connections uses EFI live and is not familiar with HP tuners. I am not really sure where to start on getting this corrected or what method to use to get there. Can anybody help?

Car runs great BTW
Old 10-07-2010, 06:40 PM
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Anybody care to take a guess or any info?




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