dually narrow axle
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Tuned
Joined: Oct 2005
Posts: 392
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From: Panther Branch, NC
dually narrow axle
I have a 90 F-350 dually it started its life as a service bed truck. It has a narrow axle. I'm tring to put a regular bed on it but I need a wide axle. with a narrow axle the front tire hits out in the middle of th 2 rear tires. a wide axle hits out inline with the inside tire. any ideas. I've hered of extentions but were do i get them. I'll use it for hauling firewood. so the extentions can't effect the the cap.
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
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From: Washington State
Is that such a major concern that the front wheel tracks in the middle of the two rear wheels? I thought that's how Dodge's have their duallys setup.
However, are you saying that the inside dual hits part of the bed??
However, are you saying that the inside dual hits part of the bed??
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Tuned
Joined: Oct 2005
Posts: 392
Likes: 1
From: Panther Branch, NC
OK there are to different width dually rear axles with a ford, the axle that comes with a dually pickup is a wide axle. This means that the front tire is perfectly lined up with the inside rear tire. With a narrow rear axle the front tire tracks in the center of the rear 2 tires this is the way C&C trucks come from the factory unless you order it with a wide axle. My 90 F-350 was a C&C it has a narrow axle. I'm tring to put a pickup bed on it. With the axle being narrow the inside tires will hit the the fender well. I'm woundering if there are any extentions made to bring the dualls out to make up the difference. only mabe 3 or 4 in.
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Tuned
Joined: Oct 2005
Posts: 392
Likes: 1
From: Panther Branch, NC
I don't know why they did it that way, it might be to keep the sides of a flat bed from sticking way far out but still give you the advantages of the dually.
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Post Fiend
Joined: Mar 2002
Posts: 19,402
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From: Bonita Springs FL
I had no idea there were different width axles. That's good info to have.
You're talking about wheel spacers - BAD IDEA. They're very dangerous and greatly reduce your load carrying capacity. They have the effect of putting a lever on all your wheel studs, making them prone to shearing.
You pretty much have one of two choices - do some fab work on a bed, or swap to a wider axle.
You're talking about wheel spacers - BAD IDEA. They're very dangerous and greatly reduce your load carrying capacity. They have the effect of putting a lever on all your wheel studs, making them prone to shearing.
You pretty much have one of two choices - do some fab work on a bed, or swap to a wider axle.
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Post Fiend
Joined: Oct 2003
Posts: 6,214
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From: New Jersey
Regarding wheel spacers:
If the wheel spacer/adapter has the indentation in the center, for the brake drum to fit into, and repeats that on the outside for the wheels to slip over, then the load is on that not the wheel studs. The wheel studs are still only providing clamping forces which is the correct way to use a bolt/stud.
Most spacers/adapters don't have this "Feature", which is why everyone warns against it. This is also why chevy, dodge and ford wheels even with the same bolt pattern, are often not interchangable.
If the wheel spacer/adapter has the indentation in the center, for the brake drum to fit into, and repeats that on the outside for the wheels to slip over, then the load is on that not the wheel studs. The wheel studs are still only providing clamping forces which is the correct way to use a bolt/stud.
Most spacers/adapters don't have this "Feature", which is why everyone warns against it. This is also why chevy, dodge and ford wheels even with the same bolt pattern, are often not interchangable.
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