Other my car is 90 model it is advisable to use bioethanol gasoline?what happen when i use that?my car right now has no permanent RPM Asked by hilario daniel r on 25 Mar 04:20 Last updated by anonymous on 09 May 13:10
bioethanol is designed to improve your gas mileage. i don't think it has any relation to RPM. It will increase your miles per gallon Consult with a mechanic before switching to bioethanol, since some cars can't take it.