IIRC the friction modifier thickens the oil. Not sure what the resultant affect would be on the xcase operation and longevity though.


Off Roader
98 Montero with the Winter Package
89 Montero minty clean and reserved for overlanding trips or Cars and Coffee events
96SR (3.15:1 xcase, 35's) gone to the rust gods
96SR Build Up Thread
Old web page
Old web page