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Old 07-31-2013, 09:29 AM
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S10 driveshaft U joint questions

I'm looking for a ujoint that might fit the S10 driveshaft and a 1956 chev rearend yoke. Anyone have any ideas? I know this not the usual swap, but I was never one to make it easy!
Thanks..............................

I'm looking for a ujoint that would convert an S10 driveshaft to a 56 chev rearend yoke.

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Last edited by Crosley; 07-31-2013 at 02:07 PM. Reason: Duplicate threads
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Old 07-31-2013, 12:13 PM
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Precision and other companies make conversion U joints. You need to go from a 3R u joint to a 1310 u joint.
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Old 07-31-2013, 02:09 PM
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Mrcurso, I merged your posts. You posted your new question in an old thread. That confuses the membership on who asked what question.

You also started a new thread with the same question.

I merged both posts here for one thread
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Old 07-31-2013, 03:08 PM
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How did this happen?
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Old 07-31-2013, 03:08 PM
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Precision and other companies make conversion U joints. You need to go from a 3R u joint to a 1310 u joint.
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Old 07-31-2013, 04:15 PM
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thanks.......I will look into that
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Old 02-03-2014, 10:16 AM
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Quote:
Originally Posted by big gear head View Post
Precision and other companies make conversion U joints. You need to go from a 3R u joint to a 1310 u joint.
How did you determine that the S10 u joint are type 3R Ive been measuring my S10 ujoints and verfying against catalogs and did come up with dimensions for a 3R. I did however come close to that of 7290.
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Old 02-03-2014, 12:54 PM
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Originally Posted by 67Elcamino View Post
How did you determine that the S10 u joint are type 3R Ive been measuring my S10 ujoints and verfying against catalogs and did come up with dimensions for a 3R. I did however come close to that of 7290.
I took the driveshaft to a local place in Post Falls, Idaho (Drivelines Inc). The part number he used is 3-3130, which apparently mates a stock S10 4x4 driveshaft to a stock 56 Chev pumpkin. Hope this helps out.
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Old 02-03-2014, 12:56 PM
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Quote:
Originally Posted by Crosley View Post
Mrcurso, I merged your posts. You posted your new question in an old thread. That confuses the membership on who asked what question.

You also started a new thread with the same question.

I merged both posts here for one thread
Thanks for taking care of me! I was new to the site and obviously missed the forum name.
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Old 02-03-2014, 03:22 PM
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http://www.skf.com/binary/12-66357/457285.pdf#page=323

This shows P/N 3-3130 to be a 1310 to Saginaw S44 conversion joint
( I believe S44 is equivalent to the "3R" designation)

The "7290" spec mentioned above is slightly longer (2.622")
versus the 2.556" measurement of the S44
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Old 02-03-2014, 11:06 PM
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Originally Posted by 66GMC View Post
http://www.skf.com/binary/12-66357/457285.pdf#page=323

This shows P/N 3-3130 to be a 1310 to Saginaw S44 conversion joint
( I believe S44 is equivalent to the "3R" designation)

The "7290" spec mentioned above is slightly longer (2.622")
versus the 2.556" measurement of the S44
66GMC I agree the 3R does seem to be a closer match.. I re-measured all carefully and do agree the S10 ujoint is a 3R and I did see a reference stating that it is the same as an S44 or also a saginaw??

Im looking for a conversion ujoint from a 3R to a 7260 but cant seem to find. Does such even exist?
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Old 02-04-2014, 10:13 AM
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Quote:
Originally Posted by 67Elcamino View Post

do agree the S10 ujoint is a 3R and I did see a reference stating that it is the same as an S44 or also a saginaw??

Im looking for a conversion ujoint from a 3R to a 7260 but cant seem to find. Does such even exist?
1.) I've already stated that I believe that the S44 and 3R are the same spec.
(1.125" caps with a 2.556" inside lock-up.)

2.) 3R to 7260 conversion joint does not appear in the catalog that I linked to previously. I'm not saying that it "does not exist" ... but it will likely be a tough one to find, at best, as SKF/Neapco is a pretty comprehensive product line.

It may be time to ether swap a yoke or have a custom tube welded up that uses a more common dimensional combination?
Inland Empire Custom Made Driveshafts

Last edited by 66GMC; 02-04-2014 at 10:22 AM.
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Old 02-10-2014, 12:32 AM
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Quote:
Originally Posted by 66GMC View Post
1.) I've already stated that I believe that the S44 and 3R are the same spec.
(1.125" caps with a 2.556" inside lock-up.)

2.) 3R to 7260 conversion joint does not appear in the catalog that I linked to previously. I'm not saying that it "does not exist" ... but it will likely be a tough one to find, at best, as SKF/Neapco is a pretty comprehensive product line.

It may be time to ether swap a yoke or have a custom tube welded up that uses a more common dimensional combination?
Inland Empire Custom Made Driveshafts
I believe there is no such combination. I going to have to have a driveshaft shop weld up a yoke mount for me.
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Old 02-10-2014, 07:04 AM
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Many people with the 2nd gen Camaros have made this swap. They are finding the u joint somewhere.
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