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Old 12-09-2013, 05:44 PM
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Speedometer Calibration with 3.0 CRD

Installed an OME lift in my dad's 2007 with the 3.0 and threw some 265/70R17s on it and it looks and rides great. Now we want to calibrate the speedo but I'm having trouble finding a programmer to do so. I've spent some time searching today and have yet to come up with a solid answer for this.

I own an '08 with 5.7 and tried using my Superchips Flashpaq, but as I suspected, it couldn't make contact with the ECU since it doesn't support the diesel motor.

Is there a programmer out there that will work with the 3.0? I am not too interested in a tune, just want to change the tire size...
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Old 12-11-2013, 03:57 PM
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Re: Speedometer Calibration with 3.0 CRD

After hearing some people were having luck with Hypertechs speedometer calibration programmer I ordered one to give it a shot and it did indeed work with the 3.0 diesel, even though they only claim it works with the gas WKs.

Hypertech part number: #752501
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Old 12-11-2013, 09:06 PM
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Re: Speedometer Calibration with 3.0 CRD

Does the hypertech also support changing axle ratios in the crd?
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Old 01-03-2014, 11:27 AM
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Re: Speedometer Calibration with 3.0 CRD

I never changed the axle ratios with the Hypertech unit, but since it is capable of doing so, I don't see why it wouldn't work since the tire size calibration did.
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Old 01-17-2014, 01:08 PM
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Re: Speedometer Calibration with 3.0 CRD

I use AutoEnginuity software to change the speedometer calibration on my CRD.
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Old 01-17-2014, 04:50 PM
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Re: Speedometer Calibration with 3.0 CRD

Quote:
Originally Posted by tnadanzig View Post
I use AutoEnginuity software to change the speedometer calibration on my CRD.
oh cool, i didn't know it could do that.

can it also change axle ratios?
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