what I've been using for a long time is the moly grease w/ a squirt of moly-slip gear box additive to make sure the grease spreads around and doesn't thicken up - works fine, no leaks where 90wt did
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics