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Old 06-10-2019, 09:27 PM
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Upgrade Front Shaft Without Vibes

Not wanting to hijack DesertRubi's thread thought I'd start my own for my questions.

15' JKU Rubi, 2.5" RK springs and AEV geo brackets.

I have a few issues with my front DS and it's time to replace it. One issue I've had for a long time is a nasty rattle over bumps that I can't identify the source of. Today while changing my oil I noticed there is a lot of lateral play in the slip yoke on the front DS (boot is still intact). If I move it around it rattles like it has rocks or something loose in it. Also my rzeppa joint is starting to sling some grease. I'm pretty sure after happening across this forum post (https://forum.aev-conversions.com/fo...4687-jk-rattle) that my front shaft is the culprit for the rattling.

I'm in the same boat as DesertRubi. I'm worried about front shaft vibrations. Looks like his story ended well though. However I drive almost 100 miles a day on the interstate. And as much as I'd like to, I don't have infinite amounts of time for turning wrenches. So I'm trying to decide the best chance at getting it right the first time.

I like the skinny shaft and terraflex high angle rzepa joint combo that Tatton's makes. However doesn't look like he gets good reviews on his customer service. I have a semi local driveline shop, thought about just dropping by and finding out the cost of making a shaft like Tatton's.

I thought about also just getting the spicer shaft as I want as maint free option as possible and the spicer shaft has the sealed ball in the double cardan. It also seems that most that get the spicer shaft don't have vibes?

I'm feeling a bit overwhelmed with something seemingly so simple. Rzeppa joints seem like the best option but there just aren't many to choose from. Double cardan shafts are the most popular but it seems like a gamble. Some seem to have great luck others seem to get vibes and can never get it resolved, leaving them stuck with the caster vs vibes balancing act. I feel like I'd rather buy a whole new OEM shaft before going through that.

Any guidance from the wise ones here would be appreciated

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Old 06-10-2019, 10:06 PM   #2
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Upgrade Front Shaft Without Vibes

If you were near me I’d give you my factory front driveshaft. If you don’t use it hard and don’t want to upgrade you can probably find a low mileage takeoff for about $50.

One thing I know for sure is having a second vehicle was extremely critical to my modding success. Some things just take time to work out the kinks.

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Old 06-10-2019, 10:21 PM
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Quote:
Originally Posted by Leadnut View Post
If you were near me I’d give you my factory front driveshaft. If you don’t use it hard and don’t want to upgrade you can probably find a low mileage takeoff for about $50.

One thing I know for sure is having a second vehicle was extremely critical to my modding success. Some things just take time to work out the kinks.

I don't use it hard but would like the upgrade. Always seeking an excuse to upgrade . I'd also like to go with longer shocks in the future, I went pretty short for my list to stay off the cross pipe. Also if my OEM shaft rattles I'd fear another OEM shaft would rattle as well. Sure does make windows down or doors off frustrating.



I mean we have a second vehicle but then I have to ride to work with my wife. While not necessarily a bad thing, she just umm enjoys mornings more than me. I need it to be calm and quiet for a few hours in the morning lol.
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Old 06-10-2019, 11:04 PM   #4
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I'm not sure what to advise, seems you've read my trials and tribulations. I would say with confidence if you bought an Adams shaft and had an issue he'd take care of you, but understand not wanting to have to deal with it in the first place. But I will say the odds have to be in your favor of getting a balanced shaft vs one that is off, even if you read more about problems than successes on the forums, that's just because nobody posts much about smooth sailing. My replacement shaft is definitely better balanced, as I was able to increase my caster to a normal range of 5ish degrees and still no vibes with the new shaft (vs vibes at 3dg with first one).

Maybe you'd have better odds of first time success with Spicer as @jadmt has said time and again, but there's always going to be a chance of an issue. I think these things are sensitive enough that even if it takes a hard drop during shipping it could affect the balance. In that regard the local shop might be the highest chance of success, and fastest correction of an issue. And while it takes a bit of time to install and remove the shaft, it's not that bad and you can run without the front shaft if need be, if an issue does arise.
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Old 06-11-2019, 04:16 AM   #5
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I don't use mine hard, all overland style wheeling, and I do use it for a daily driver, so I'm not into the vibration either.
I like Tatton's shaft with the cv joint.
I will probably try that when I need a shaft, unless I can find a low mileage takeoff.
I've got 61k on my stock shaft with 2.5" kit now, so a new stocker would work for me.
Good luck in your choice
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Old 06-12-2019, 05:17 AM   #6
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I too run Adams shafts....bite the bullet and get one and be done with it.....a bad one out of the box seems few and far between.....you'll be glad you did upgrade....
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Old 06-12-2019, 05:20 AM   #7
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Get Adams DS and forget about it.
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Old 06-12-2019, 01:45 PM   #8
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I have Oliver's Driveline front and rear driveshafts with Spicer solid 1310's. Olivers is local to me (Winston Salem) and they know their stuff.

Pricing is really competitive ($344 for a JK front shaft) and their CS is fantastic.

I had an issue recently with one of the Nepco Double Cardin joints (almost everyone uses the Nepco joints), they took care of the issue with no pushback and replaced it with a Spicer Double Cardin joint as they found that the Nepco's are failing faster than they liked and that the Spicers have come down in price.
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Old 06-12-2019, 01:55 PM   #9
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My front and rear 1350s are from Powertrain Industries in Garden Grove. They have locations in TX, MO, and VA as well. Zero issues from day 1.

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