Axle Swap
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Junior User
Joined: Oct 2011
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Great point. The 1990 is a single cab with a flatbed so very well could be cab n chassis however it looks as it is only a short bed truck, aren't chassis trucks typically 8 to 10 ft beds? Just for future knowledge how much of a difference are you talking?
Post Fiend
Joined: Dec 2010
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From: Orrville, Ohio
IIRC there is 3" difference in the widths of the spring perches on the C&C trucks. Measure the width between the spring perches on the axle you have in the truck now and see if the one you're looking at is the same. It will be easy to tell if it's the same or not.
i ain't rite
Joined: Mar 2005
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From: Marlboro Mental Hospital.
cab chassis could be ordered with an 8 foot frame.
measure the spring perches. if they are 33 inches, it is a CC rear and will not work.
if it is 36 inches, it is a pickup rear and you are golden
measure the spring perches. if they are 33 inches, it is a CC rear and will not work.
if it is 36 inches, it is a pickup rear and you are golden
Post Fiend
Joined: Dec 2010
Posts: 10,121
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From: Orrville, Ohio
Unless you're good with a welder and don't mind moving the spring perches. In that case the C&C axle would work too wouldn't is Tom? I'm not aware of any other differences to the axle, other than the location of the perches, but Tom would know better than I do.
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Hotshot
Joined: Dec 2006
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From: Melbourne, Ky
Cab and Chasis have shorter axles.
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From: western SD
If your 94 came from the factory with a bed installed, you will need an axle from a dual wheel truck that had a bed installed from the factory. A 2 wheel drive axle will work, providing the ratio is compatable with the front of your 94. The cab and chasis axle will not bolt up to the springs on a truck that came from the factory with a bed installed.
i ain't rite
Joined: Mar 2005
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From: Marlboro Mental Hospital.
correct. the CC axle is not as wide as the pickup axle, and will not work with dual wheels even if you do move the perches.
unless of course you get different rims with a deeper offset.
if memory serves correct, the CC axle is about 3 inches narrower overall than the pickup axle
unless of course you get different rims with a deeper offset.
if memory serves correct, the CC axle is about 3 inches narrower overall than the pickup axle
Post Fiend
Joined: Dec 2010
Posts: 10,121
Likes: 3
From: Orrville, Ohio
correct. the CC axle is not as wide as the pickup axle, and will not work with dual wheels even if you do move the perches.
unless of course you get different rims with a deeper offset.
if memory serves correct, the CC axle is about 3 inches narrower overall than the pickup axle
unless of course you get different rims with a deeper offset.
if memory serves correct, the CC axle is about 3 inches narrower overall than the pickup axle
Lead Driver
Joined: Mar 2006
Posts: 5,098
Likes: 1,504
From: western SD
You could use the 2" adapters to allow you to mount the dual rims on your 250 axle, the down side is you will get more wear on the outer wheel bearings as the adapters move the load center more to the outer bearing. Depending on how you go about swaping axles, if you leave the springs on the axle, 4 bolts need to come out that hold the spring to the truck, along with the parking brake cables that need to be unhooked, the u-jount disconnected, and one brake line. If the springs stay on the truck there are 4 u-bolts that hold the axle to the spring, along with the rest mentioned above. The true dual wheel axle that came from the factory with a pickup bed installed is 4 inches wider than a single rear wheeled truck. The dual wheeled cab and chassis truck is about 2 inches narrower than a single rear wheeled truck.
If I were doing the swap, I'd go with the factory dualed axle, and get the adapters for the front, so all the wheels would be the same.
If I were doing the swap, I'd go with the factory dualed axle, and get the adapters for the front, so all the wheels would be the same.
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