I have added a tach to my Zetec. Autometer ATM-3708. Only thing is you have to send it back to Autometer to get calibrated. (it is free) It would only read half the actual RPMs.
2000 Contour Zetec ATX Hector Mods...I got em' "Contour grills, Contour bills, check out the oil my Contour spills." 2.SLO = 17.6 at 80mph My profile