How do you get the odometer calibrated? Can the SG do this? I've changed my tire size and doing the math each time fill up is a pain, granted it's only about every month. I don't trust the mile marker signs, I've used Google maps distance calculator and GPS. I put the next size up tires on our jeep when we got new ones (245/65/R17s as opposed to 235/65/R17s) because that's what I could find in good used condition ($140 installed as opposed to $325 installed new and they're the same brand as stock!) and our variance to the GPS went from 2mph over @70mph to 1mph over (speedometer showed 72mph @ 70mph on the gps, switched to 69mph with the new tires.
Sorry if that's hard to read. I really need to work on being clear and concise.
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