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Do I have the 3.73 Limited Slip? Thanks for your replies!
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Yes
<font color="darkblue">31 = 3.73 non-limited slip, F-250/Excursion
C1 = 3.73 limited slip, F-250/Excursion
41 = 3.73 non-limited slip, F-350 (single rear wheels)
D1 = 3.73 limited slip, F-350 (single rear wheels)
61 = 3.73 non-limited slip, F-350 (dual rear wheels)
F2 = 4.10 limited slip, F-350 (dual rear wheels)
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