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u-joint???

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Old Jan 16, 2012 | 08:26 PM
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viper tail shaft, 29 spline spicer yoke,and stock aluminum driveshaft . 2002 z28 , 6spd, what u-joint do i use ?????? spicer preferred thanks ahead of time.. oldman......
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Old Jan 17, 2012 | 06:28 AM
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besides the previous question, the stock yoke looks like it has a mini harmonic balancer attached. does this help with balance? do i need to re balance drive shaft? does balancing require the yoke too? or do they just balance drive shaft only?like pink floyd says:"is there anybody out there?"....oldman...
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Old Jan 18, 2012 | 02:30 AM
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From: Turnin' Wrenches Infractions: 005
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Are you looking for a stock replacement u joint? I run Precision 234s on mine. They are non-grease-able stock replacements, and nice units for around $20 apiece. Yes the stock yokes have a harmonic ring on them and aftermarket yokes usually do not. I've seen both with no vibration issues so I'm not sure exactly what purpose it serves.
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Old Jan 18, 2012 | 08:02 AM
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precision 234? that matches the yoke and driveshaft? where do i get them? anywhere? or the big box auto parts stores? thanks.. oldman.....
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Old Jan 18, 2012 | 08:33 AM
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I bought mine at orielly. If you are running a stock type driveshaft then yes they will fit. I'm running an Inland Empire 3 inch aluminum shaft with an aftermarket yoke and it runs stock sized u-joints. The 3 1/2 inch PSTs and etc will run a 1350 joint which is bigger. If you are needing the 234 then just go to the retailer and ask for it specifically. There are 2 different versions, but the 234 is the non-greaseable, which is stronger because it does not have the hollow grease tubes inside of it. It is one solid piece. The greaseable version is like the 234x or something.
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Old Jan 18, 2012 | 04:59 PM
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The stock u-joint/yoke are 3R (retaining clips on cross between yoke ears).

The aftermarket u-joint/yoke are 1310, 1330, 1350 (retaining clips inside outer part of yoke ears).

There also are aftermarket conversion u-joints (for example 3R-to-1310).

You have to look carefully at what you have before buying replacement u-joints.

Last edited by joecar; Jan 23, 2012 at 12:04 PM. Reason: fixed terminology/typo
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Old Jan 21, 2012 | 06:35 AM
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thanks guys! got it figured out trans guy found it for me, it was a 1350 x3R thanks again ! only found 1 manufacurer of this type of crossover, and its a greaseable one anybody know of a solid one in the diminsions of 1350 X 3R or 3R X 1350 thanks . oldman...
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Old Jan 22, 2012 | 06:14 PM
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You could orient the u-joint so the grease nipple is in compression when driving forward.
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Old Jan 23, 2012 | 01:14 AM
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From: Turnin' Wrenches Infractions: 005
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That;s commonly referred to around here as the conversion joint.
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