I got bad vibes, man- FIXED. Go to page 9

Just to revisit the facts, the driveshaft that was a little too short actually had no vibes. Then it was lengthened and the vibes returned?
 
Sounds like you just need to take that rear shaft out and drive it around in front wheel drive forever. 🤣
 
drkelly said:
Just to revisit the facts, the driveshaft that was a little too short actually had no vibes. Then it was lengthened and the vibes returned?
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Correct. Out of the 5 or shafts I've either ordered or accumulated, there was one Oliver's shaft that was originally intended for the front. In the rear it was 2" too short for permanant use (only about 1.5" spline engagement). I dropped it off at local Spicer shop to be retubed. When I got it back, it was welded crooked as was seen in the video. They re-retubed it with vibes present again. I got tired of dealing with them, ordered one from Tom Woods. It does the same thing as the others.
Through all of this, just the too short Oliver's fixed it.
 
Jody Treadway said:
Correct. Out of the 5 or shafts I've either ordered or accumulated, there was one Oliver's shaft that was originally intended for the front. In the rear it was 2" too short for permanant use (only about 1.5" spline engagement). I dropped it off at local Spicer shop to be retubed. When I got it back, it was welded crooked as was seen in the video. They re-retubed it with vibes present again. I got tired of dealing with them, ordered one from Tom Woods. It does the same thing as the others.
Through all of this, just the too short Oliver's fixed it.
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Do you think that the short shaft actually fixed it or did the wiggle room in the splines just shift the problem?
 
So what’s the difference in wall thickness of the shafts that you’ve tried?
 
Spoke with Tom Woods at length earlier. They're also in agreement it's a shaft issue. They've offered to send another new shaft, this one 2.5" diameter, as a test shaft so to speak.
It'll get built tomorrow and shipped out same day
Stay tuned guys and gals. I kinda wanna drive this thing to the get together next month
 
Jody Treadway said:
Spoke with Tom Woods at length earlier. They're also in agreement it's a shaft issue. They've offered to send another new shaft, this one 2.5" diameter, as a test shaft so to speak.
It'll get built tomorrow and shipped out same day
Stay tuned guys and gals. I kinda wanna drive this thing to the get together next month
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There’s a get together?
 
Glad you got a new one coming. I’ll still put my additional .02 in the pot. I have found that the spline fitment with Neapco and Spicer components can be hit and miss. The components in question being the 16 Splined male stub and 16 spline yokes. Some of the coating on the splines varies in tolerance from Spicer to Neapco. When using these in conjunction sometimes you get a slight wiggle or you have a super tight fit. This can cause driveline vibrations. Also I have encountered Neapco on Neapco or Spicer on Spicer parts to have similar behaviors, although not very common, but it is almost always fixed by rotating the the yoke on the splines until you have a nice fit. But I have faith that Tom Woods can get it done right. If you still have an issue, then please feel free to slide in my DMs and talk dirty to me. Might have a nice shaft for ya.
 
I'm thinking the stiffer 2.5" will do the trick. Should be good to roll to this mystical get together once it comes in. Woods gets it done 👍
 
Have you sold it yet?
 
Finally had a day at work that wasn't insane and took it for a spin with the new Tom Woods 2.5" diameter rear shaft...fixed it!
At around 58-60 there's a minute amount of vibration, but you'd be picky to detect it. All the way to 70 it's super smooth.
PXL_20221101_154407486.MP.jpg

But I'm not the judge and jury, my wife is. She drove it home and reported back:
Screenshot_20221101-200908.png

Thank God it's finally driveable. I really can't say enough good things about Tom Woods in this scenario. They blindly sent me a second shaft when the original one was fine (by the build sheet). I'll take up a refund with my local shop this week.
Now I can wash it off and get ready to install her 4.6 in a month or so 😎
PXL_20221101_164117213.MP.jpg
 
Lisa Wife as opposed to Lisa GF or Amy Wife
 
Jody Treadway said:
Finally had a day at work that wasn't insane and took it for a spin with the new Tom Woods 2.5" diameter rear shaft...fixed it!
At around 58-60 there's a minute amount of vibration, but you'd be picky to detect it. All the way to 70 it's super smooth.
View attachment 384288
But I'm not the judge and jury, my wife is. She drove it home and reported back:
View attachment 384289
Thank God it's finally driveable. I really can't say enough good things about Tom Woods in this scenario. They blindly sent me a second shaft when the original one was fine (by the build sheet). I'll take up a refund with my local shop this week.
Now I can wash it off and get ready to install her 4.6 in a month or so 😎
View attachment 384291
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Nothing really important to add here except I appreciate the heck out of someone taking care of a jeep with those miles on the odometer. I’ve always had a thought that I would own a ZJ if I didn’t have my WJ. It always made me a little sad to see endless rows of ZJs at the pick n pull yards. Usually beat to hell and neglected.

Such sweet little daily drivers! :rockon:
 
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