The following procedures have been compiled by club members and authors offer no guaranties on the usefulness or accuracy of the writings. These modifications are procedures we have performed and find useful out on the trail. We are not responsible for any information or actions taken by you for using this information.
have a lifted truck and bigger tires resulting in an inaccurate speedometer?
If so, our calculator page can help!
Have a 1980-96 Ford Bronco? Brian Cunningham wrote a very nice C++ program that will give you super accurate stats about RPM and speedometer readings taking many variables on your truck in consideration. GearCalc (120KB)