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4L80E Swap U-Joint Question

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Old 09-17-2013, 04:06 PM
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Default 4L80E Swap U-Joint Question
Alright guys, I am getting ready to order U-joints as basically the last thing to complete my trans swap. I want to make sure I get the right ones though. I have heard all kinds of things regarding joint size.

Here is the deal:
2003 Silverado 1500 2wd with 5.3 and 4L60E
Steel 1 piece driveshaft
Replaced with 4L80E with 1350 Yoke

My question is, do I just need a solid 1350-1330 conversion joint? Some of told me that the stock joints should have been 1350, but I do not believe this to be accurate.

What did you guys use/experience?
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Old 09-17-2013, 07:48 PM
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Precision 447 joint works with stock shaft. It's what I run.
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Old 09-17-2013, 08:26 PM
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Measure the caps to see if they are 1330 or 1350.
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Old 09-18-2013, 08:18 PM
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i have the same as brandon, prescision 447.
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Old 09-19-2013, 07:49 AM
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it be a 1344/1350 conversion joint...447 for the front and 534g for the rear
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Old 09-26-2013, 12:19 AM
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I don't have a mic, closest I can get is right at 1 & 1/8" on the cap in diameter.
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Old 09-26-2013, 10:14 AM
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Moog U-Joints 447 - Free Shipping on Orders Over $99 at Summit Racing
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Old 09-26-2013, 10:14 AM
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Thats the joint you need
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Old 09-26-2013, 11:14 AM
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Good to hear, I ordered the ones you suggested last night. Thanks for all the help guys!
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Old 09-26-2013, 11:31 AM
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You got the 534g for the rear to?
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