Hi,
I picked up this diff from Matty… It seems to be a Q45 casing, but the ratio on the rear diff is 48:11 (4.36:1), rather than 3.54:1 like the standard Q45.
Also, this looks to be a 2-way mechanical LSD as the cam seems to have the same profile in both directions (circular cam) so it has the same locking for bot acceleration and deceleration.
I dont see any stampings on the LSD untit itself except for a “C5 D5” stamped on the ring gear side.
Thanks in advance.
Ian