Originally posted by hondatech
or you could be a hondatech and have a honda pgm scanner, im going to do it today, i'll hit 138 or whatever then look at the datalist for my speed sensor and see what it's actually doing.
okay but don't get killed or busted for speeding
but keep in mind that would be one data point. also do you have the stock tires/wheels? I know my speedo became much more accurate when I changed tires to a slightly larger size