Best deal for Order Now Hypertech 752009. The Hypertech Speedometer Calibrator can correct the speedometer and odometer for tires up to 54 inches (depending on the application) and/or non-stock rear gear ratios. This device is engineered for consumers that want the speedometer recalibration functions of the Max Energy programmer, but without the additional expense of the other tuning features. ... » Learn more about Order Now Hypertech 752009.
Review for Hypertech 752009 Speedometer Calibrator for Dodge 6.7L 2007-2011 and Dodge 5.9L Cummins Diesel 2008. OK, so I took my 2012 Ram 3500 Laramie Mega Cab 6.7 diesel to the dealer to have him recalibrate my speedometer after increasing tire diameter with aftermarket tires (from 265/70R-17 to 285/55R-22 which are +8.7% taller). He charged $80 only to tell me that his machine could NOT calibrate my speedometer w/o my truck throwing several codes (ABS, check engine, and traction control). I purchased the Hypertech, followed the directions and...whammo...problem solved. I'm within 1% o... ... » Read more.
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