4x4 auto hubs to manual hubs - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 08-30-2010, 07:45 PM Thread Starter
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4x4 auto hubs to manual hubs

I have automatic hubs and I noticed only one wheel is spinning. I am new to this and the search button on here sucks. Came up with 400 pages of bologna not pertaining to my situation. I need help fixing the auto hub or can I just buy manual ones? Any help would be appreciated, thanks
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post #2 of 8 Old 08-30-2010, 07:54 PM
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well they could actually be working... you dont have a full 4wd system.. only way to get 100% of the power to both wheels is to put a locker in them... right now the tire with less resistance is the one that is going to spin
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post #3 of 8 Old 08-31-2010, 07:17 AM
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If _either_ of your front wheels are spinning while in 4wd ... then both of your hubs are working and engaged. If one of the hubs were not engaged then the axle shaft on that side would spin within the hub (without delivering torque to the wheel), the differential carrier would be spinning, and the other axle shaft/wheel (with hub engaged) would be stationary (or rolling along the ground at vehicle speed with no power applied to it).

Long story short ... if one tire is spinning faster than the vehicle is moving then both hubs are working but the one that isn't spinning has more traction than the spinning tire. Read about open differentials (that is what you have in the front) versus lockers and limited slip differentials.

There is a certain artform to driving a truck with open differentials offroad. Unfortunately, it doesn't usually involve pointing the truck in a straight line, holding the wheel steady, and romping on the throttle. I grew up driving open differential 2wd trucks in Florida sugar sand ... and literally driving circles around the yuppies poorly driven, jacked up F350 show trucks.

Your truck isn't broke ... you just need to figure out how to drive it ... or upgrade the differential. Driving offroad effectively is usually more about the driver and less about the equipment anyways ... to a point, of course.

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post #4 of 8 Old 08-31-2010, 12:39 PM Thread Starter
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Thank you, I mean I was just stuck, the one front wheel was spinning and the other just sat there. I would have gotten unstuck if they were both spinning haha. Must be I need a locker, what do you recommend. I will be snow plowing and cant be getting stuck!!
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post #5 of 8 Old 08-31-2010, 12:41 PM
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Thank you, I mean I was just stuck, the one front wheel was spinning and the other just sat there. I would have gotten unstuck if they were both spinning haha. Must be I need a locker, what do you recommend. I will be snow plowing and cant be getting stuck!!
i suggest a selectable locker.... something like a ARB locker or OX locker.. but both without install will be almost 1k
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post #6 of 8 Old 08-31-2010, 12:45 PM
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the front axle isnt limited slip like the rear. its an open diff.

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post #7 of 8 Old 08-31-2010, 05:29 PM
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Project ... I've never plowed so ... I'll just discuss it with you ... if you get a locker installed in the front and you have it in 4wd ...

Whenever you press your foot to the throttle both front wheels are going to lock together solidly and will spin at the same speed... this works great for driving in a straight line but ... if you need to take a turn while under throttle then the inside wheel will be spinning too fast for the turn and the outside wheel will be spinning too slow for the turn. Offroad, in mud, and on the street ... this would tend to make it difficult to turn the truck and would try to force the steering wheel straight. I couldn't tell you if that type of behavior would be a problem with snowplowing ... just wanted to point it out to you if you didn't know about it so you could think about it.

If you need to steer the turns with the throttle pressed, which it seems like you'd be more likely to need when snowplowing, then you might get better behavior from some sort of limited slip like the Detroit Truetrac ... it will let the wheels spin at slightly different speeds for cornering but will prevent what you saw where one spins and one does nothing.

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post #8 of 8 Old 09-01-2010, 05:45 PM Thread Starter
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thank you, a locker doesnt seem like what I want. I will be turning a lot haha
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