a lot of fords have posi type rear ends in them look at ford vans and truck the detroit locker i do not like a lot WHY i have one. this was the only way i could go with 35 spine axles and did not run a spool so with the detroit if the car starts to spin the tires you can not get back on it with out braking some thing like in my case 2 gear sprag in a 400 trans and this was a 36sprag the ford stuff work good with new parts in them have used may a set them up for many cars