I couldn't find a much G series diff info on here to start with so I figured I'll throw this up for those like me that may be running a bit more power than most and want to bullet proof their car as much as possible.
(if this has already been covered please let me know where to find it)
Century:
VG40:
Solid Axle (coils) G392: 8.0", 3.15:1, 2 pinions, Open
5x114.3 unknown Ventilated disc, 1 piston calipers
Cressida:
MX83:
Double Wishbone G313: 8.0", 3.90:1, 2 pinions, Clutch LSD
5x114.3 N/A Ventilated disc, 1 piston calipers
Comments: Only Grande models have LSD.
Double Wishbone G315: 8.0", 3.90:1, 4 pinions, Clutch LSD
5x114.3 N/A Ventilated disc, 1 piston calipers
Comments: Only Grande models have LSD.
Crown:
UZS131:
Double Wishbone G314: 8.0", 3.90:1, 4 pinions, Open
5x114.3 N/A Ventilated disc
Double Wishbone G314: 8.0", 3.90:1, 4 pinions, Open
5x114.3 N/A Ventilated disc
Double Wishbone G474: 8.0", 3.94:1, 4 pinions, Open
5x114.3 N/A Ventilated disc
Hiace:
RH10:
Solid Axle (leaf) G162: 8.0", 5.28:1, 2 pinions, Open
5x114.3 unknown Drum
YH50:
Solid Axle (leaf) G162: 8.0", 5.28:1, 2 pinions, Open
5x114.3 1470mm Drum
Hilux:
RN20:
Solid Axle (leaf) G142: 8.0", 4.87:1, 2 pinions, Open
5x114.3 1375mm Drum
RN40:
Solid Axle (leaf) G142: 8.0", 4.87:1, 2 pinions, Open
5x114.3 1410mm Drum
Soarer:
MZ20:
Double Wishbone G295: 8.0", 4.10:1, 4 pinions, Clutch LSD
5x114.3 N/A Ventilated disc, 1 piston calipers
Supra:
JZA70:
Double Wishbone G299: 8.0", 4.10:1, 0 pinions, Torsen LSD
5x114.3 N/A Ventilated disc, 1 piston calipers
Double Wishbone G319: 8.0", 3.90:1, 0 pinions, Torsen LSD
5x114.3 N/A Ventilated disc, 1 piston calipers
MA70:
Double Wishbone G305: 8.0", 3.72:1, 4 pinions, Clutch LSD
5x114.3 N/A Ventilated disc, 1 piston calipers
Double Wishbone G315: 8.0", 3.90:1, 4 pinions, Clutch LSD
5x114.3 N/A Ventilated disc, 1 piston calipers
I found all this info here: