Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
And the rartios will be shorter, but i doubt you would notice.
You could tap into the abs and use the OEM as your trigger wheel, work out how many pulses it fires in one turn of the wheel then convert that in a signal to power your speedo, you can buy a adjustable signal conversion unit to calibrate the rate of impulses to MPH.