Who makes u-joints I can't break?? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 03-21-2000, 09:41 AM Thread Starter
 
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Who makes u-joints I can\'t break??

I have managed to break yet another u-joint with my 229 Chevy powered CJ-8 (running stock 4 banger running gear). The first time, I busted/cracked every yoke, two springs in a spring pack and the rear u-joint. At the time it was not lifted and was running 31's.

Now, I have around 4" of lift (shackle and stock replacement springs (interesting story)...I believe I have the right shims in place) with 33's. Am I doomed to keep blowing u-joints or should I double u-joint it at the diff end or ??

Let me know....


P.S. Another thing, with Advanced Adapter motor mounts, ditch the crappy "washer" they give you on the drivers side (the passenger side is okay, so far). Mine gave up the ghost. I ended up using a drilled out upper shock washer (real thick and wide) off of some foriegn car.

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post #2 of (permalink) Old 03-21-2000, 10:35 AM
 
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Re: Who makes u-joints I can\'t break??

I have autozone "brute force" lifetime warrenty u-joints. Haven't broken one yet behind my V8, but I don't have and lockers yet.

[img]/wwwthreads_images/icons/cool.gif[/img] Big Ed
<font color=red>'88 YJ, 4" susp,3" body,33's,283 Chevy V8,TH350,4.11's,D30,D35c</font color=red>
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post #3 of (permalink) Old 03-21-2000, 01:30 PM
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Re: Who makes u-joints I can\'t break??

I've broken alot of the "Brute Force" U-joints and I also do not like them because they are not greasable. I have had great results with NAPA Super-Strength U-joints. They're black - pricey, but worth it. I've blown the Dana 30 ring and pinion with these in the axles - usually they are the first thing to go. - Chuck

Chuck Hadley
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post #4 of (permalink) Old 03-21-2000, 01:36 PM
 
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Re: Who makes u-joints I can\'t break??

Look for a U-joing with a grease fitting sticking out of each cap. These are impossibly easy to grease and a stronger configuration. I pack mine with white lithium marine grease that wont be washed out by water or mud as easily.

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post #5 of (permalink) Old 03-21-2000, 01:57 PM
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Re: Who makes u-joints I can\'t break??

Like another post said, the NAPA super duty ones seem to be the way to go. I just switched over to them a couple weeks ago.
But at about $18 apiece they aren't cheap. My spares are still standard ones at about $8.

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post #6 of (permalink) Old 03-21-2000, 03:55 PM
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Re: Who makes u-joints I can\'t break??

Chuck Hadley first mentioned the Napa Super Strength u-joints on this board several months...maybe a year or more ago. I switched to them then because I was blowing up axleshaft u-joints pretty regularly with my front locker sometimes taking the axleshaft ears with it. I haven't busted one since I switched.
Shain

post #7 of (permalink) Old 03-21-2000, 04:06 PM
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Re: Who makes u-joints I can\'t break??

Those NAPA Super Strength joints are very strong. I accidentally threw my old full-size Bronco in reverse with the rear tires spinning about 30 mph and they didn't break! Luckily the road was wet, but those 33's sure chirped hard when I threw in the wrong direction.

post #8 of (permalink) Old 03-21-2000, 04:32 PM Thread Starter
 
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I\'ll have to get a set, once....

I fix my damned spring perches. That is what cost me the u-joint in the first place. Twisted both of them up to have around 45 degree's worth angle... (YIKES). The pinion is pointing to the sky. Yippe....Anyway, thanks for the u-joint info. They will be used....shortly......

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post #9 of (permalink) Old 03-21-2000, 04:40 PM
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Re: I\'ll have to get a set, once....

good job.. if you go thru u joints that fast there has to be another reason.. i hate to say this to all of you, but the only way a u-joint can get stronger is to go with a bigger one.. unless they make them from some space age metal that superman brought to us. almost all (i say that since there are exceptions to all the rules) are made the same. and being that they are confined by size.. then they can only get so strong. they are also designed to be the weak link.. so you dont break something else more expensive. warn did a axle shaft test, and they did ujoints with it.. showed that all major brands where the same at the breaking point.


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post #10 of (permalink) Old 03-21-2000, 04:47 PM
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Re: Who makes u-joints I can\'t break??

I've been using the solid non-greasable Spicer u-joints for years with front and rear lockers, low gears and on some pretty tough
trails and have never busted one. Maybe I'm just lucky.

Gary
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