I realize Ford specs plain Mercon in the transfer case of my '98 F-150 4X4, but I'm a huge fan of synthetics. Would I be doing any harm if I refilled my transfer case with Mobil One Mercon V?

Thanks in advance.

VMM

 

http://www.mobil1.com/USA-English/Mo...hetic_ATF.aspx

That's Mercon-compatible.

For many GM, Ford and import vehicles. Recommended for use in vehicles specifying:
Dexron III, Dexron IIIE, Dexron III-H
Mercon, Mercon V
Recommended for Allison C-4 and Caterpillar TO-2 applications
Recommended for Chrysler automatic transmissions