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Rear diff decoding

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Old Dec 28, 2019 | 05:53 PM
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Rear diff decoding

I have a 1978 f150 custom, and I need to replace the rear diff on it and can't seem to figure out what the gear ratio is on it. Previous owner told me 3.50 but he wielded the axle together for mudding. My trans code is A and axle code is 16J vin is F14BLBC5770. PLEASE HELP
 
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Old Dec 29, 2019 | 10:45 PM
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3.50 is right

1973-1979 Ford Truck VIN Tag Codes (Rear Axle) - FORDification.net
 
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