I prefer the Motorcraft LV for my two F150s because it has some great specs:
MOTORCRAFT® MERCON®LV AUTOMATIC TRANSMISSION FLUID
Product Typicals
Specification
MERCON®LV
MERCON®LV license number
MLV070701
Specific Gravity @ 60°F (15.6°C)
0.842
Density, lb/gal
7.01
Flash Point, COC, °C (°F)
216 (421)
Viscosity:
cSt @ 100°C cSt @ 40°C cP @ -40°C
6.0 29.6 10,200
Viscosity Index
155
Pour Point, °C (°F)
Last time I checked, the dual purpose ATFs did not come close. The above info was obtained from fcsdchemicalsandlubricants.com , Fords official chemical and lube website.