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Rear Axle Question
#1
Did Ford ever make two different length rear axles for a 9"? (7173)

mike

[Image: 1_11_11_13_11_50_27.png]
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#2
Mike, if I understand your question correctly, you are asking if there were different length axles utilized during the 1971 - 1973 production period.

If so, yes there was a difference in the length of the right axles utilizing 28 splines on Mustangs built through December 15, 1972. Specifically, the follow applies.

For the 28 spline axles:

Right axles used through 12-15-1972 were 31 7/8 inches long
Right axles used after 12-15-1972 were 31 25/32 inches long
Left axles were the same length 27 13/16 inches long

For the 31 spline axles:

Right axles were 31 25/32 inches long
Left axles were 27 13/16 inches long

GREAT question!

Source: Hollander Interchange Manual.

BT

Do the RIGHT thing.
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