You don't have to disagree. You're correct. Thanks for the correction. My understanding was incorrect for all these years, having owned several of them, including having swapped a G80 center section into my 2000 Silverado.
I don't see a spring providing static pressure on the clutches, which would be necessary for LSD action prior to lockup...unless the bevel of the spider gears serves to drive the side gears out and into the clutches. This could provide LSD bias proportionate to applied torque.
Current truck is a helical and...much preferred...but requires a FM booster for quiet operation on pavement.
