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U joint question - swapped center section #305757
05/02/09 05:33 PM
05/02/09 05:33 PM
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I just replaced the center section in my Road Runner, and didn't notice until I was putting the driveshaft back in that the yokes are different.

The oneI replaced it with has a larger yoke.

Is there a different u-joint that I can swap to make it work? If so, do you have a part number?

Re: U joint question - swapped center section [Re: Prostock] #305758
05/02/09 05:40 PM
05/02/09 05:40 PM
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Mass
DAYCLONA Offline
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No part number off hand, but there is a conversion joint available from CarQuest, and Autozone,....it's a cheapy,...I'd recommend you stop by a driveshaft shop and get the Splicer brand, unless CQ or AZ can get can assure you of the Splicer brand,....I have two cars running the conversion joints,...no problems,......also contact DrDiff here on Moparts, I believe he has conversion joints as well

Re: U joint question - swapped center section [Re: Prostock] #305759
05/02/09 05:40 PM
05/02/09 05:40 PM
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Western Michigan
68Fastback Offline
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I think this is the u-joint you are taking about. Good luck

http://www.moparts.org/Tech/Archive/shaft/4.html

Re: U joint question - swapped center section [Re: 68Fastback] #305760
05/02/09 05:42 PM
05/02/09 05:42 PM
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Southern, Ca.
69DartGT Offline
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Jess if I remember correctly the Dart has a conversion u joint on it?

Re: U joint question - swapped center section [Re: 69DartGT] #305761
05/02/09 05:48 PM
05/02/09 05:48 PM
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Western Michigan
68Fastback Offline
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Quote:

Jess if I remember correctly the Dart has a conversion u joint on it?





Yes it does, I noticed that. I had never seen one before so threw me off for a bit.

Re: U joint question - swapped center section [Re: 68Fastback] #305762
05/02/09 06:00 PM
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The one I took out has a smaller yoke on it than the one I put in. Is that the conversion ujoint for going that way?

Re: U joint question - swapped center section [Re: Prostock] #305763
05/02/09 06:10 PM
05/02/09 06:10 PM
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Lincoln Nebraska
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Quote:

The one I took out has a smaller yoke on it than the one I put in. Is that the conversion ujoint for going that way?


yes


live every 24 hour block of time like it's your last day on earth
Re: U joint question - swapped center section [Re: Prostock] #305764
05/02/09 06:10 PM
05/02/09 06:10 PM
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Quote:

The one I took out has a smaller yoke on it than the one I put in. Is that the conversion ujoint for going that way?




It's the same u joint either way.


They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
Re: U joint question - swapped center section [Re: Supercuda] #305765
05/02/09 06:16 PM
05/02/09 06:16 PM
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Quote:

Quote:

The one I took out has a smaller yoke on it than the one I put in. Is that the conversion ujoint for going that way?




It's the same u joint either way.




Maybe I am having a senior moment, but how can replacing the rear ujoint in the driveshaft with this conversion joint work in both center sections, small and large yoke?

Thanks for the replies. I'm going to check with a local driveline shop on Monday.

Re: U joint question - swapped center section [Re: Prostock] #305766
05/02/09 06:21 PM
05/02/09 06:21 PM
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Upper Midwest
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The Joint don't care if the small caps go into the shaft or into the rear end yoke. Or if the large caps do.

Re: U joint question - swapped center section [Re: MoparforLife] #305767
05/02/09 06:26 PM
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Cool. Thanks for the replies!

Re: U joint question - swapped center section [Re: Prostock] #305768
05/02/09 09:05 PM
05/02/09 09:05 PM
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Prospect, PA
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You should measure and make sure that you need a 7260/7290 conversion. I could be 7260/1330.

Re: U joint question - swapped center section [Re: BSB67] #305769
05/02/09 09:17 PM
05/02/09 09:17 PM
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Tampa , Fl
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Quote:

You should measure and make sure that you need a 7260/7290 conversion. I could be 7260/1330.




7260/1330 would be a problem because there is no adaptor joint, I just went thru this and had to get a new shaft made with 7290 on the front and 1330 on the rear, there is a 7290/1330 joint but since I was building from scratch I had the 1330 weld yoke installed.

Re: U joint question - swapped center section [Re: MoparJoe] #305770
05/02/09 10:50 PM
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I measured each today, but I can't remember what they were exactly. I'll measure again tomorrow.

Re: U joint question - swapped center section [Re: Prostock] #305771
05/02/09 11:15 PM
05/02/09 11:15 PM
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renton, Washington
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just DONT make the mistake i did... YOU MUST GET THE CORRECT STRAPS for the SMALL u joint the originals [from the large] will work for a while... DAMHIK... i knew i had to do it but just forgot... broke the trans tailshaft clean off..luckily no other damage.. dan

Re: U joint question - swapped center section [Re: 68Fastback] #305772
05/03/09 12:14 AM
05/03/09 12:14 AM
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Southern, Ca.
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Quote:

Quote:

Jess if I remember correctly the Dart has a conversion u joint on it?





Yes it does, I noticed that. I had never seen one before so threw me off for a bit.




The place that did the driveshaft installed the joint I think it was a Spicer.

Re: U joint question - swapped center section [Re: ph23vo] #305773
05/03/09 10:34 AM
05/03/09 10:34 AM
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Quote:

just DONT make the mistake i did... YOU MUST GET THE CORRECT STRAPS for the SMALL u joint the originals [from the large] will work for a while... DAMHIK... i knew i had to do it but just forgot... broke the trans tailshaft clean off..luckily no other damage.. dan




The replacement center section had the straps on it.

I'll measure it today. What is needed, length and width?

Re: U joint question - swapped center section [Re: Prostock] #305774
05/03/09 04:29 PM
05/03/09 04:29 PM
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One is 3 1/4" X 2, the larger is 3 3/4 X 2.

Re: U joint question - swapped center section [Re: Prostock] #305775
05/03/09 10:29 PM
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Bump. Is the conversion joint the one I need?

Re: U joint question - swapped center section [Re: Prostock] #305776
05/03/09 11:15 PM
05/03/09 11:15 PM
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Southern, Ca.
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REad about half way down on this link it has the numbers that may help.

http://www.moparts.org/Tech/Archive/shaft/5.html

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