[mdlug] Automotive technical info wanted (only slightly off topic)

[Jeff Hanson]

On 5/11/07, Drew <drew4096 at gmail.com> wrote:
> Additional info: I've determined experimentally that (1) the trip
> odometer reads 15%
> short. That is, for every mile I travel, the trip odometer advances
> 0.85 of a mile; and

That can happen if you have oversize tires.  It's why real researchers
use a fifth wheel or other means to determine ground speed.