The Z engine is for the 2.3L Zetec which is not the Contour. I think we can run 10% ethanol/90% gasoline safely. I think converting to run 85% enthanol would mean a "new" 2.3 L engine.
http://en.wikipedia.org/wiki/List_of_Ford_VIN_codes
Last edited by Tony2005; 11/02/05 03:00 AM.