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04-27-2011, 11:55 PM
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#1 |
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Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,525
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U joints questions
I searched and couldn't find my answer.
Is the stock u-joint for a 69 3/4 GMC 4 speed/dana 60 a 1350 u-joint? Pretty sure it is, just double checking? Second question: What u-joint was used in 73+ 12 bolt rear ends? I'm not sure if the rear end I have is out of a 2wd or 4wd or what exactly. All I know is that it is a 12 bolt and does not have the ear on the pumpkin for the panhard bar. I assume that it is a 73+ because the front suspension from the same vehicle was 73+ also. So I figure someone at some point swapped this in from the same donor vehicle. The u-joint appears to be a 1330 series or something very close...but the u-joint doesn't seat completly. It's been awhile since I looked at it....so I'm doing some preliminary research. |
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04-28-2011, 12:01 AM
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#2 |
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the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: U joints questions
my 67 and 76 12 bolts are both 1310. You gotta look out for those 1330 and 1310 big cup ujoints used on some ford stuff.
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04-28-2011, 08:02 AM
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#3 |
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Registered User
Join Date: Sep 2003
Location: maine
Posts: 191
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Re: U joints questions
The 69 3/4 ton is a 1350
The 73 up is a 1310 TON of info here http://www.neapco.com/pdf/2007universaljointcatalog.pdf |
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04-28-2011, 08:30 AM
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#4 |
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Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,525
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Re: U joints questions
OK, thanks for the info on the 69...I was pretty sure on that.
After posting this, and memories coming back, my rearend definatly doesn't have 1310. It uses a u-joint that is / or very close to a 1330, which would be the same width as a 1350, but with small caps. I'll need to take some measurements. |
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04-28-2011, 08:38 AM
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#5 | |
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Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,525
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Re: U joints questions
Quote:
that is some good info.....I'll have to really look through it later! (and save it) |
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04-28-2011, 01:29 PM
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#6 |
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the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: U joints questions
their isn't an accurate ujoint application guide anywhere! 1330 is same width as 1350 but with the cups of a 1310.
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04-28-2011, 02:15 PM
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#7 | |
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Registered User
Join Date: Sep 2003
Location: maine
Posts: 191
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Re: U joints questions
Quote:
1310 uses a 1.063 bearing 1330 uses a 1.063 1350 uses a 1.188 width from outside to outside 1310 3.219 1330 3.622 1350 3.622 unless I am missing somthing? |
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04-28-2011, 02:48 PM
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#8 |
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the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: U joints questions
you got it!
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04-28-2011, 03:40 PM
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#9 |
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~Rest In Peace~
Join Date: May 2005
Location: CALIFORNIA NOR CAL
Posts: 9,707
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Re: U joints questions
5150
__________________
is it fast ? it has a lighting bolt donut? B___H please, I can remove 90% of your so called "beauty" with a kleenex |
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04-28-2011, 07:36 PM
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#10 |
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Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,525
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Re: U joints questions
Good news is I figured out why my rear u-joint wasn't seating. The grease zirk buldge in the middle of the body protruded out enough that it was hitting the pinion (just barely). So I took out the u-joint and flipped it around so the grease zirk bulge is towards the driveshaft rather than the rearend. So the rearend I have does have a 1330 pinion yoke (whatever its from)
Next, I'll be ordering a longer driveshaft yoke to compensate for the different rearend. Hopefully that will resolve the vibration issues. Thanks for the help guys. |
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