Diff Question what can you tell me
#1
Diff Question what can you tell me
Hi i have looked on the Id plate on my rear axle on the 1957 ford f350 dually and this is what it says. DTA co model B100 NX1 Ratio 5 833 Serial no 014008 the question is.What is the ratio is it any good i would like more speed can i swap the diff if so what kind ratio do i need and which model ford will have one.Now with me being in the Uk i will have to have one shipped thats when i find one.Thank you.My axle does not split in half and the bit that sits on the springs is square thank you
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#3
I'm using a Sterling 10.25 from a '92 F350. Mine is a wide dually pickup type. You most likely need one from a cab/chassis dually, which is a bit narrower, and more common. I had to move the spring pads about 1 1/2" or so. That was easy, and I'm no pro. Now I have 4.10 gear ratio. I have gone 65 a few times with no issues. I think it used to top out around 45-50 mph.......
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#4
timken/rockwell B100 axle. You have a 5.83 rear end. They made a 5.14 diff and also a 4.88 I had the 583 and was able to buy a 5.14 That rear axle is common in studebaker 1 tons and some dodges. International used a similar rear with the same bolt pattern for the rims, but the diff is a total different diameter. If your trying to keep the original rims, you'll have a challenge, but keep looking.
#6
Depends on what you find. You can pull the diff without taking the wheels off. Yank out the endshafts and then you can remove the diff. It comes out as one unit. A tranny jack or a good floor jack helps. That diff is heavy. If you can find a whole axle of the same type, you'd have some spare parts for the long run
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#7
timken/rockwell B100 axle. You have a 5.83 rear end. They made a 5.14 diff and also a 4.88 I had the 583 and was able to buy a 5.14 That rear axle is common in studebaker 1 tons and some dodges. International used a similar rear with the same bolt pattern for the rims, but the diff is a total different diameter. If your trying to keep the original rims, you'll have a challenge, but keep looking.
I know this is an old thread but It mentions something of my interest.
I am Looking at at dTa b100 rear end(dually) With a 5.14 Ratio,I was wondering if the Gearing is to high.
I want to use it on my COE(providing I find 2 front wheels and having them fit my Front end)
engine is a late small V8 and automatic.
Thanks guys
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I need help
timken/rockwell B100 axle. You have a 5.83 rear end. They made a 5.14 diff and also a 4.88 I had the 583 and was able to buy a 5.14 That rear axle is common in studebaker 1 tons and some dodges. International used a similar rear with the same bolt pattern for the rims, but the diff is a total different diameter. If your trying to keep the original rims, you'll have a challenge, but keep looking.
#12
4.88 gears are un-obtainium. I snagged a set of 5.14 purely by accident. I added an auxiliary overdrive box with 17% overdrive. It'll run 65, but it's wound out. If your not worried about originality, get a newer rear axle with a good ratio. Don't gear for too much speed, you'll lose top end power, especially if you pull a load behind it. Dodge and International used 6 lug rears also back then, maybe you can come across an axle from one of those. However the IH axle uses a bigger pumpkin diameter, so you need a whole axle, the gearset won't plug into your unit. Or find an Isuzu or Mitsubishi truck from the 90's They had 6 lug rears plus tubeless tires.
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