I know this has been asked alot, but wasn't sure if it was the same for the expeditions as it was for the f150's. I have the E class trans and 3:73 gears. I went to the Procomp 33x12.5x17 on stock wheels. What speedo gear should be in there now and what one do I need. (color and teeth)

Thanks.

 

http://www.lohse.org/chris/drive.shtml

 

Sweet....Thanks!!!

 

Do have a chart that would show the one i need for a 4:10 swap out?????

 

Roushfan-1, try the search. Someone must have done this before.
Here's a link to general gear and differential numbers if you want to do the math.

http://www.usgear.com/dr_ratio.htm