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

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Old Dec 18, 2020 | 05:02 PM
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rear end

can a 3.73 gear be put in a 1955 f100 dana44 that n ow has a 3.92.also anybody put there fuse panel behind the seat.
 
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Old Dec 18, 2020 | 05:20 PM
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Originally Posted by fordfun55
can a 3.73 gear be put in a 1955 f100 dana44 that n ow has a 3.92.also anybody put there fuse panel behind the seat.
As far as I know this cannot be done. This is precisely the breakpoint in the carrier sizes.



 
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Old Dec 18, 2020 | 06:06 PM
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I recently finished installing 3.73:1 gears in my 1956 Dana 44.You will need a new carrier for use with 19 spline axles. Yukon offers one. I purchased my carrier, gears, bearings, etc. through Rock Auto. Their online catalog says the carrier is USA Gear brand (which I believe is a division of Yukon). But, what I received was a Yukon carrier inside a Yukon box. So, it definitely can be done, but it requires an additional part. I did use USA brand gears. They are the lower cost gears offered by Yukon. But, they setup extremely easy with a great contact pattern and backlash using the pinion shim stack thickness that was being used with the old gear set.

Also, the new carrier uses a different carrier bearing than the original. Lastly, most all new gear sets for Dana 44 axles require a new pinion yoke as the newer pinions have 28 splines instead of the older 10 splines.
 
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Old Dec 18, 2020 | 06:33 PM
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My 56 came with 3.73:1 gears ...but I replaced the differential with an Explorer with the same gearing..
 
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Old Dec 18, 2020 | 11:44 PM
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FordFun55
I am in the process of wiring my 51 F1 and put my fuse box behind the seat where the gas tank used to be (tank is now at the back - inbetween the frame rails).




 
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Old Dec 19, 2020 | 01:33 PM
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Originally Posted by burnettd01
FordFun55
I am in the process of wiring my 51 F1 and put my fuse box behind the seat where the gas tank used to be (tank is now at the back - inbetween the frame rails).

wow Dan looks great
 
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Old Dec 20, 2020 | 01:10 AM
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Thanks Roy.

Fits nice behind the seats but requires a lot of extra wire.
Still have to run the wires to their respective locations.

As you all know there is not much room under the dash, so mounting behind the seat was my unorthodox option.
 
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Old Dec 20, 2020 | 03:14 AM
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I put my fuse box on a plate that will slide out under my driver side bucket seat and i too had to add wire but it wasn't that bad of a job
 
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Old Dec 20, 2020 | 08:22 AM
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Originally Posted by 1956_F100
I recently finished installing 3.73:1 gears in my 1956 Dana 44.You will need a new carrier for use with 19 spline axles. Yukon offers one. I purchased my carrier, gears, bearings, etc. through Rock Auto. Their online catalog says the carrier is USA Gear brand (which I believe is a division of Yukon). But, what I received was a Yukon carrier inside a Yukon box. So, it definitely can be done, but it requires an additional part. I did use USA brand gears. They are the lower cost gears offered by Yukon. But, they setup extremely easy with a great contact pattern and backlash using the pinion shim stack thickness that was being used with the old gear set.

Also, the new carrier uses a different carrier bearing than the original. Lastly, most all new gear sets for Dana 44 axles require a new pinion yoke as the newer pinions have 28 splines instead of the older 10 splines.
That's a better answer. I had disregarded swapping out carriers.
 
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Old Dec 20, 2020 | 01:54 PM
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Originally Posted by AllenV
That's a better answer. I had disregarded swapping out carriers.
Yeah, it can definitely be done. It takes more parts. But for my preference, in the end it's a better option because you keep the original rear axle in the truck. When I was younger, custom or "upgrading" stuff on cars and trucks was more important thinking it would always be better in the end. Now that I'm older, original is getting more important. Custom and "upgrading" usually ends up different with a new set of issues and not better.
 
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