What am looking for is a listing of Ford (mainly the Ranchero) axle ratio production numbers. Such as in my case I have 78 with the axle code of "A" and a 78 with the axle code of"1". What axle ratio is represented by the letter A and the number 1?
James CHECK THIS SITE YOU WILL LEARN ALL ABOUT THE FORD REAR END IDENTIFICATION /ANDY http://www.fordification.com/tech/rearends_ford05.htm