I use Amsoil synthetic 80-140 in my knuckles and steering box of my Black M-677, it is thick enough to barely lube the knuckles on the hottest days.
The M-679 on the trip to and from Illinois, came back with a little bit of wheel bearing grease that oozed out of the front hubs, onto the outside of the front wheels.
It was a real test R/T 4100 miles at 75-90 mph.
: just finished rebuild on 62 fc150 front axle
: manual calls for chassis lubricant # 1
: summer and #0 winter. I think this is
: heavier than EP 80/90. What should I fill
: this with? Also, I got a bunch of pics of
: doors, trucks, cabs, etc for Terry, Jesse,
: and others. Big file....photobucket still
: the answer for you guys? Thanks! Jeff
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