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Rear Axle Ratio Codes for 1957 - 1959 Door Data Plate Decoding

1957
Year Rear Axle Ratio Regular Locking
57/59 2.69 to 1 6  
59 2.69 to 1   F
57/59 2.91 to 1 5  
59 2.91 to 1   F
57/59 3.10 to 1 1  
59 3.10 to 1   A
57/59 3.56 to 1 2  
59 3.56 to 1   B
57-59 3.70 to 1 3  
59 3.70 to 1   C
57/59 3.89 to 1 4  
59 3.89 to 1   D
57/59 4.11 to 1 0  
59 4.11 to 1