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Old 11-16-2012, 10:12 PM   #1
Mr_Rich
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Join Date: May 2006
Location: Santa Maria, Calif.
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'89 K1500 EC U-joints

I have to replace the U-joints on my driveshaft and it appears that maybe the front U-joint is different than the rear U-joint. I haven't removed them yet, but I noticed that the rear U-joint has slots in the cups for the cup retainer that bolts to the knuckle at the diff. I was wondering if anyone could verify that fact...?
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1989 K1500 Chev. EC
Original owner; some of the aftermarket parts I've installed are Borla headers, Hypertech chip, Edelbrock water pump, and a Stillen rear disc brake conversion kit.
2009 Hummer H3T 3.7L 5M (sold)
1997 K2500 Chev. EC 7.4L/ 4L80E
2018 Dodge Ram 2500 HD R/C
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Old 11-17-2012, 06:33 PM   #2
Mr_Rich
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Location: Santa Maria, Calif.
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Re: '89 K1500 EC U-joints

After getting deeper in to this job I realized that the front and rear U-joints are different, indeed. With two trips to the auto parts store I have the correct U-joints. The U-joint I needed at the transfer case on the rear driveshaft is a Precision 354 and the rear U-joint is a Precision 355. PS: I passed on the MasterPro U-joints made in China for the made in USA parts.
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1989 K1500 Chev. EC
Original owner; some of the aftermarket parts I've installed are Borla headers, Hypertech chip, Edelbrock water pump, and a Stillen rear disc brake conversion kit.
2009 Hummer H3T 3.7L 5M (sold)
1997 K2500 Chev. EC 7.4L/ 4L80E
2018 Dodge Ram 2500 HD R/C
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