I am not going to be near the truck for a week, but I just bought an 08 SCrew 5.4L 4x4 with a 6.5' bed and 3.73 LS rear dif. However, I don't know where to find the size of the rear dif [9 x/x vs 10.25?].

short of getting underneath it to measure, is there some place I can find this out?

I remember my dodge dealer ran the VIN on my dakota and could pull up every standard and optional feature that was installed on MY truck. Can Ford do that too?

 

9.75" diff, since you have a 5.4

 

ok, do only the diesels have the 10.25"? Or which 150 has them? I'd think the 5.4 would have the torque for it.

Thanks! btw.