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Old 06-03-2015, 09:34 AM   #1
joey8383
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U-Joint help. 1330? 1350? 69 shortbed

Can anybody help me on these u joints? I'm doing a Rock Auto order and would like to get these at the same time. One is off the yolk and one is off the pinion on rear diff.
Are these the same u joints? Same width, same diameter caps, same everything but the caps are a little different. The u joint on the right, the caps go "deeper". Are these 2 different joints? Or just 2 different manufacturers? Thanks for any help!
Driveline is off a 69 short step. Original 6 cyl truck with 3 OTT.
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Old 06-03-2015, 09:47 AM   #2
Fitz
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Re: U-Joint help. 1330? 1350? 69 shortbed

Spicer 1330:
1 1/16 Bearing Cap Diameter.

Spicer 1350:
1 3/16 Bearing Cap Diameter.

Get a caliper and measure the cap diameter. Cross dimensions (cap to cap) are the same at 3 5/8 inches.
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Old 06-03-2015, 10:25 AM   #3
joey8383
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Re: U-Joint help. 1330? 1350? 69 shortbed

I measured 1 1/16" diameter on the caps. But they measure about 3 1/4" end to end. I'm going to dig some more with that info.
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Old 06-03-2015, 10:40 AM   #4
joey8383
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Re: U-Joint help. 1330? 1350? 69 shortbed

Looks like these are actually 1310. Thanks Fitz
http://www.driveshaftspecialist.com/..._LOCK_U-JOINTS
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Old 06-03-2015, 04:03 PM   #5
72bowtiestepper
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Smile Re: U-Joint help. 1330? 1350? 69 shortbed

Thanks for that link....lots of good info. on there !
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