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Rear axle code question

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Old Feb 14, 2011 | 11:23 PM
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FuelishPleasure's Avatar
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Rear axle code question

I am looking through the vin plates i have from my dent parts trucks to see if any of them have a decent rear end for my current project, and on my 79 f100 short bed the axle code is 06J.

I have this site saved for decoding vins. 1973-1979 Ford Truck VIN Tag Codes (Rear Axle) - FORDification.net

And on there a 06 rear axle code is either a 3.70 for a 75 or a 2.75 for a 77.


My question is what ratio is the rear end on my truck when its a 79 and the only codes on there for an 06 rear end are a 75 or 77 truck?
 
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Old Feb 15, 2011 | 01:19 AM
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From: CASA GRANDE AZ
climb under and look for a tag !
 
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Old Feb 15, 2011 | 04:28 AM
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The Ford parts catalog lists code "06" as '77-up Ford 9" 2.75 ratio non-locking 2900 lb capacity.
 
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Old Feb 15, 2011 | 10:54 AM
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Thank you Mike.
 
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