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Unread 11-12-2011, 10:15 AM   #1
jbolty
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Alloy USA joints vs NAPA

I just got a set of 27 spline front axle shafts this week and I was putting the ujoints in yesterday and broke one. Never had that happen before. I was pressing in the second side and I don't know if I had it in not quite straight or what, but I blew the end off the cap on the other side. I was using a ball joint press but was only turning it with a breaker bar so there was not massive force.


But, the real reson for this thread is to get thoughts or feed back in general on the alloy usa joints.

I went to NAPA to get a new joint and they had a regular and heavy duty version of the 760 type joints.

They are clearly a little beefier and the caps are a little deeper with longer needles. Also, the grease hole looks smaller, so there is less metal taken away. On the other hand, thicker an heaverier does not always mean better.

I'm inclined to put the napa joint on both sides, or out of laziness leave the Alloy joint on one side and the napa on the other as a test.

btw, the one arm is missing on the alloy joint because I cut had to cut it to get the broken cap out without having to do massive pounding on my new axle.

thoughts?

joint1.jpg   joint2.jpg  
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Unread 11-12-2011, 10:35 AM   #2
Joe Dillard
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I've blown/cracked/grenaded the caps while installing them too. Suxs. Which is one reason why I have carried assembled front shafts.

I'd be prone to leave the assembled shaft alone, run it, and install whatever ujoint you have handy that's of good quality.

If you need a 760 style ujoint, I probably have ~7-8 of them of various flavors in my trail bag.

I'm headed over to Taylors house soon to help him disassemble his HPD30, and swap all my old HPD30 stuff over. So if you need me for something, call me on my cell.
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Unread 11-12-2011, 10:46 AM   #3
jbolty
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Quote:
Originally Posted by Joe Dillard View Post
I've blown/cracked/grenaded the caps while installing them too. Suxs. Which is one reason why I have carried assembled front shafts.

I'd be prone to leave the assembled shaft alone, run it, and install whatever ujoint you have handy that's of good quality.

If you need a 760 style ujoint, I probably have ~7-8 of them of various flavors in my trail bag.

I'm headed over to Taylors house soon to help him disassemble his HPD30, and swap all my old HPD30 stuff over. So if you need me for something, call me on my cell.
Thanks Joe.

Gonna try to get my new tires on and the axles in before it starts raining again.

I have one shaft fully assembled with each type of joint. I guess I leave it like that for now and report back unless someone has a strong opinion against one joint or the other.
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Unread 11-12-2011, 11:13 AM   #4
scifone
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I've done the same, it really freaking sucks when you get one side pressed in and the other decides to blow up on you.
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