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09-09-2012, 07:15 PM
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#1 |
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Registered User
Join Date: Feb 2011
Location: Madison, Wisconsin
Posts: 24
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U-Joint help
I have a 1957 chevy 3600 truck that I'm putting 56 1/2 ton axels in. Does anyone know part numbers for the stock U joints for these two trucks. No parts places have been able to find anything for me, they say they both use the same joint. The 3/4 ton caps are larger for sure.
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09-09-2012, 08:15 PM
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#2 |
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Registered User
Join Date: Jul 2011
Location: shingle springs, calif
Posts: 771
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Re: U-Joint help
check out thetruckandcarshow.com look on page 108 they list 3 sizes for your year truck...
hope this helps you |
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09-09-2012, 08:39 PM
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#3 |
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Registered User
Join Date: Feb 2011
Location: Madison, Wisconsin
Posts: 24
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Re: U-Joint help
I couldn't find that website. Do you have a direct link for it?
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09-09-2012, 09:31 PM
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#4 |
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Registered User
 
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,720
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Re: U-Joint help
Did you change drive shafts? If not you will have to use a conversion joint with two different size trunnions on it.
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09-09-2012, 10:21 PM
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#5 |
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Registered User
Join Date: Feb 2011
Location: Madison, Wisconsin
Posts: 24
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Re: U-Joint help
I'm using the stock 2 piece driveshaft right now. I was hoping to find the two stock u-joints 3/4 and 1/2 ton, so I could get the specs from them and order a speciality u-joint. The truck is a stock 4speed manual.
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09-09-2012, 11:20 PM
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#6 | |
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Registered User
Join Date: Jul 2011
Location: shingle springs, calif
Posts: 771
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Re: U-Joint help
Quote:
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09-10-2012, 12:58 PM
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#7 | |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,720
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Re: U-Joint help
Quote:
I'm seeing that the truck takes a Spicer 5-178X with 1.88 cup diameter while the rear axle takes a 5-153X with a 1.062 cup diameter Check for a Spicer 5-460X as that should be the conversion cross that should work. The spicer numbers will translate to any other brand of U joints that have conversion joints. The Neapco number is 11-131050 There is some good info here on id of u joints. http://www.driveshaftspecialist.com/...D%20Guide.html Spicer has a pretty nifty page here that you can ID the u joint that should fit a certain application. That may help other guys with rear axle swaps. Just plug in the doner vehicle info and it gives the U joint numbers and placement. http://www2.dana.com/expertforms/dek350.aspx |
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09-10-2012, 10:47 PM
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#8 |
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Registered User
Join Date: Feb 2011
Location: Madison, Wisconsin
Posts: 24
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Re: U-Joint help
Thanks very much for all the info. This should save me a ton of time. Can't wait to get it back on the road this weekend.
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