TSRM/MK2 Supra/Repair Manual
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RA/Rear Axle And Suspension, page 40

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Rear Axle And Suspension — MK2 Supra Rear Axle And Suspension, page 40
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RA-40     REAR AXLE AND SUSPENSION - Limited Slip Differential

(e) Differential case mounting dimension (MD) has been classified and code letters are punched on the differential case.

Mounting dimension         mm [in.]
A    74.98-75.01  (2.9520-2.9531)
B    75.01-75.04  (2.9531-2.9543)
C    75.04-75.07  (2.9543-2.9555)
D    75.07-75.10  (2.9555-2.9567)
E    75.10-75.13  (2.9567-2.9579)

(f) Select the adjusting washers by combining the dimension "MD" (mark punched on case) and dimension "L" in the adjusting washer selection table.

Adjusting washer sizes         mm (in.)
Mark    Thickness         Mark    Thickness
1       1.80 (0.0709)     4       1.95 (0.0768)
2       1.85 (0.0728)     5       2.00 (0.0787)
3       1.90 (0.0748)     6       2.05 (0.0807)

Adjusting washer selection table
Differential case code mark
"L" Measured distance of hour washer No. 1 and No. 2, etc. (mm)    A         B         C         D         E         "L" Measured distance of hour washer No. 1 and No. 2, etc. (in.)
70.91                                                                         2.7917
.92                                                                           2.7921
.93                                                     (6+6)                 2.7925
.94                                                                           2.7929
.95                                                                           2.7933
.96                                         (6+3)                             2.7937
.97                                                                           2.7941
.98                                                                           2.7945
.99                                 (5)+6)                                    2.7949
71.00                                                                         2.7953
.01                                                                           2.7957
.02                                                                           2.7961
.03                                                                           2.7965
.04                                 (5+3)                                     2.7969
.05                                                                           2.7972
.06                                                                           2.7976
.07                                                                           2.7980
.08                         (4+6)                                             2.7984
.09                                                                           2.7988
.10                                                                           2.7992
.11                         (4+3)                                             2.7996
.12                                                                           2.8000
.13                                                                           2.8004
.14                 (3)+6)                                                    2.8008
.15                                                                           2.8012
.16                                                                           2.8016
.17                         (4+3)                                             2.8020
.18                                                                           2.8024
.19                                                                           2.8028
.20                                                                           2.8031
.21                 (3+3)                                                     2.8035
.22                                                                           2.8039
.23                                                                           2.8043
.24                                 (3+2)                                     2.8047
.25                                                                           2.8051
.26                                                                           2.8055
.27                         (2)+2)                                            2.8059
.28                                                                           2.8063
.29                 (3+1)                                                     2.8067
.30                                                                           2.8071
.31                                                                           2.8075
.32                 (2+1)                                                     2.8079