Originally Posted by Tranny Frank
perhaps you would like to explain to me what lubrication differences are needed between a "Birfield" and a inboard CV joint on a Toyota 4 runners,
Can't help you there. I do know that my inboard CV joints are fully sealed and filled with #2 axle grease. Same with my outter joints. Fully sealed, #2 axle grease.
I don't know much about birfields, so I have no idea on how they compare.
Each axle has 150k on it. I rebuilt them.