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Jeep Grand Cherokee Speedometer Calibrators

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Latest Customer Reviews

Hypertech Speedometer Calibrator Reviews


2007 Jeep Wk Lifted

Reviewed By Eddie C (NEWPORT, NC) Reviewed for a 2007 Jeep Grand Cherokee —3/20/2015 8:16 PM

Does the job as advertised. Recently lifted my jeep and put 31" tires on. Prior to installing the calibrator, the speedometer was off 7 mph. When reading 55 on speedometer, GPS showed me going 62. After calibrator installed, speedometer is dead on with GPS speed tracking. Would definitely recommend and may upgrade to the max energy software.

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Superchips FlashCal Calibration Tool Reviews


Jeep JKU with larger tires...a must have...

Reviewed By clifton m (HIGH POINT, NC) Reviewed for a 2008 Jeep Wrangler —2/5/2016 5:02 PM

Instructions advise to measure your tires. My tires are listed as 35x12.50 but my speed was still off by 5! I finally measured and turns out they were 34". Problem solved. Shifting and gears feels so much better especially with reverse and it's very easy to use. Wish I had gotten it sooner.

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Helpful Jeep Grand Cherokee Speedometer Calibrators Articles