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In the past few years, this has been become quite a hot topic for debate. I'll get to the bottom line first, then explain the basis for my opinion.  Bottom line on strength: The non-greaseable joint is slightly stronger than a greaseable joint. The exact number, how much stronger, is unknown and we do not believe it to be very significant.  Bottom line on wear life: A regularly greased greaseable joint will outlive a non-greaseable joint. But a non-greaseable joint will outlive a greaseable joint that does not get greased properly.  Now I will elaborate. We have asked two of the major...

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There are a number of reasons you might be having repeated problems with drive shafts or u-joints. One is that your drive shaft and the shaft's components are just too small for the application. If you've got a Jeep with an LS motor, Dana 60s, and 42 inch tires but you're still running the stock size joints in your drive shaft, it is time to upgrade to something bigger.  Another common problem is over-flexing and binding. This could be because you have a lot of lift and the shaft is running at too steep of an angle under full suspension...

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Size and strength. The 1310 series joint is what you would expect to find stock in most Jeep or small trucks. A 1350 series joint/shaft is what you might find in many full size trucks. While it's not 100% accurate, you could say that a 1310 is a "half ton" joint and a 1350 is a "one ton joint".  Get a more detailed explanation by clicking here.  

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First and foremost, when ordering a drive shaft from us directly there is absolutely no extra cost or wait time for a custom length shaft. Q: Why do we ask for length measurements, haven't we done enough to know what the length is? A: We have done enough to know that it isn't always what it is supposed to be. Let me explain. Over the years, we have built well over 10,000 drive shafts for the Jeep Wrangler JK alone. We have built countless more for just about any other type of Jeep, Toyota, Ford, Chevy, Land Rover; all of...

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