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