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#1 |
Registered User
Join Date: Jan 2009
Location: Kansas city
Posts: 756
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Is it possible to drop a dually rear end under a 1/2 ton 2WD ? Besides cutting the bed for clearence what other mods have to be done? Will the stock driveshaft still work? Will the spring perches have to be moved to the correct location to work with existing leaft springs? Is it the same U joint for a dually and a regualar 10 or 12 bolt rear end?
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#2 |
Resident of Here
Join Date: May 2008
Location: Wesley Chapel, FL, USA
Posts: 7,716
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Re: Dually rearend swap?
It will install in place of the 12 or 10 bolt you have now, then you'll need a custom driveshaft and you would have to use the dually driveshaft/u-joints most likely.
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~Bradley~ 2004 Black GTO LS2/T56 too much to list ![]() Miss having a truck ![]() |
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#3 |
Registered User
Join Date: Feb 2009
Location: washington the state
Posts: 730
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Re: Dually rearend swap?
Cant remember off the top of my head but I'm thinking the u joints are the same go to your partts house and ask to look up the number for a half ton and a 1 ton and see if its the same
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my sports car rolls on six wheels only because I'm to fat to get in and out of new corvette http://hubgarage.s3.amazonaws.com/ph...ped_detail.JPG |
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#4 |
Dually Pride
Join Date: Jun 2008
Location: NH
Posts: 540
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Re: Dually rearend swap?
depends on the rear end. a pickup bed dually axle will need the flares, and the narrower cab and chassis axle will tuck inside the fenders, but the will need to be tubbed. the 14 bolt axle has 8 lugs and your front will still be 5 lug, unless you swap the spindles too. spring perches are in the same location. the driveshaft might need to be shortened but im not sure. and im pretty sure the u joints on the 14 bolt are bigger. you might want to ask someone who swapped a 14 bolt into thier 4x4. dually on not it'll be the same, minus the bed changes
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If I have to explain, you wouldn't understand. '74 Chevy C-30 350/4 speed/dually ![]() '94 Ford Ranger |
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#5 |
high-Tech Red Neck
Join Date: Feb 2008
Location: Livingston, MT/On my boat WA/BC/AK
Posts: 2,294
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Re: Dually rearend swap?
The U-Joints are very different, there is a huge size difference between them, also I would strongly advise that you do NOT use a 1/2 ton in a dually capacity, the frame just Isn't built to take it.
You would be way better off cutting down a 1 ton frame, if you were closer to here I would offer to cut one I have down for you, but it really isn't worth the trip when you can find one there.
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"He used to be a pretty nice feller, now he's a welder!" |
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#6 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: Dually rearend swap?
I think the spring perches on the dually rearend are farther apart than on your original 1/2 ton rearend.
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#7 |
Registered User
![]() Join Date: Apr 2009
Location: New Freedom Pa.
Posts: 1,335
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Re: Dually rearend swap?
Hey Guys,
As always your timing is awesome I had considered doing a "Dually" conversion on my truck but had NO idea the frames were different. Please tell me more about this is a 1/2 ton frame the same as an 8 lug 3/4? or are the 1 ton's and 3/4 frames the same so just the 1/2 is different. Tell me all you guys know about the front control arm mountings , rear spring perches , etc. I'm not looking for the GVWR rating of a 1 ton just wanted more stability while towing my enclosed trailer. Pictures are a plus. thanks Desert |
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#8 |
Registered User
Join Date: Jan 2009
Location: Kansas city
Posts: 756
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Re: Dually rearend swap?
I am wanting a dually rearend more for looks than function as I would never pull a trailer with my truck. I have never seen a slammed shortbed dually so its more or less just to be different.
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#9 | |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: Dually rearend swap?
Quote:
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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#10 | |
Registered User
Join Date: Feb 2009
Location: washington the state
Posts: 730
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Re: Dually rearend swap?
Quote:
if you look on there I wrote a tech artical on the 1t and 3/4t front ends its not the gosple but its what I've came across in swapping stuff around
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my sports car rolls on six wheels only because I'm to fat to get in and out of new corvette http://hubgarage.s3.amazonaws.com/ph...ped_detail.JPG |
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