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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

identifying differential

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Old Apr 5, 2008 | 01:04 AM
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identifying differential

I was cleaning out the differential in the stock 56 and was wondering what kinda of rear end it is. I know its a Dana 44 because of the 44 numbers on the bottom right of the case. I took the cover off, prolly for the first time, and started scraping all the crud off of it and came across a metal tag and it says 41/11. What does this mean, ive seen somewhere that it is the gear ratio, but just making sure.
 
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Old Apr 5, 2008 | 08:10 AM
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yes. 41 ring gear teeth divided by 11 pinion teeth equals 3.727272, or 3.73 gear ratio.
 
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Old Apr 5, 2008 | 10:22 PM
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Originally Posted by Pfeifferj
I was cleaning out the differential in the stock 56 and was wondering what kinda of rear end it is. I know its a Dana 44 because of the 44 numbers on the bottom right of the case. I took the cover off, prolly for the first time, and started scraping all the crud off of it and came across a metal tag and it says 41/11. What does this mean, ive seen somewhere that it is the gear ratio, but just making sure.
Hi there!

here are two links that will probably tell you everything you need to know about your Ford Rear End:

Kevinstang's Ford Nine Inch Differential Page +

 
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Old Apr 7, 2008 | 03:35 AM
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Thanks Scott, I needed that info.
 
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