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rear end ratio

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Old Apr 8, 2008 | 12:50 AM
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rear end ratio

what is the easiest way to determine what gears i have?
 
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Old Apr 8, 2008 | 01:21 AM
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Try looking for metal tag bolted to a stud on the rear end housing.
Write down the numbers and post them in this thread.
 
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Old Apr 8, 2008 | 11:48 AM
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what if i dont have that tag, isnt there a way to turn the shaft and count the rotations?
 
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Old Apr 9, 2008 | 03:33 AM
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Of course you can count rotations, make sure you count accurately and watch closely where the pinion stops at around the 3 rev mark 3.0 to 3.7 is pretty close.
Maybe you will have to take out the third member too.
 
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Old Apr 9, 2008 | 03:46 AM
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Another way...as long as the axle hasn't been swapped.

Look on the WARRANTY PLATE, on the left door face below the latch for the AXLE code.

Post it here.

Ford rear axle ID tag location: Under one of the ten bolts that holds the pumpkin (carrier) to the housing at approx 5 o'clock (don't be surprised if it's missing).
 
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