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driveshaft stuff


Whoodoo
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Galant VR-4 org Post #: 944271 posted 10/28/10 09:53 PM     Remind Me!  Send Private Message   Edit Post      
I have been pondering about driveshafts because I have worn carriers and it's going to be in my future. Our stock DS is a 3 piece deal.... why?

Driveshaftshop makes a 2/3's shaft that takes the place of the front 2 sections but not the rear. Why not have one section? you wouldn't have to deal with carriers wearing out and all that stuff.



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onesickcrx
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Galant VR-4 org Post #: 944277 posted 10/28/10 10:22 PM     Remind Me!  Send Private Message   Edit Post      
To much angle if it was made from one peace



Lack of boost

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Whoodoo
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Galant VR-4 org Post #: 944332 posted 10/29/10 01:29 AM     Remind Me!  Send Private Message   Edit Post      
Why is there angle between em? I thought it was a straight shot from the transfer case to the rear diff.



62/2k

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trunks
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Galant VR-4 org Post #: 944392 posted 10/29/10 10:59 AM     Remind Me!  Send Private Message   Edit Post      
I know mine has an angle. My 2g awd is even worse when I look under there. The rear differential typically has some play as well so something has got to give for that movement.

I'm looking at it wondering how it hooks up to the last section? At the lobro joint?


Edited by trunks (10/29/10 11:14 AM)

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Muskrat
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Galant VR-4 org Post #: 944411 posted 10/29/10 12:15 PM     Remind Me!  Send Private Message   Edit Post      
Quoting Whoodoo:

Why is there angle between em? I thought it was a straight shot from the transfer case to the rear diff.




It isn't.

There's to much angle for u-joints to work effectively with a one piece.

But the most likely reason why the shaft is 3 pieces from the factory is nvh (noise, vibration, and harshness). A longer shaft, with more angle between the joints, with cause more nvh.

Quote:

I'm looking at it wondering how it hooks up to the last section? At the lobro joint?




The lobro joint comes apart with 6 bolts/nuts.



Brian L.
91 Galant VR-4 #665/2000


Edited by Muskrat (10/29/10 12:17 PM)

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Songsay
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Galant VR-4 org Post #: 944418 posted 10/29/10 12:39 PM     Remind Me!  Send Private Message   Edit Post      
I very much dislike the lobro joint.
On my 3000gt I have a 2 piece carbon fiber drive shaft.
That stock drive shaft is designed exactly like the Galants, except much more massive.
The stock shaft on my 3000 weighs over 50lbs.
The carbon shaft I replaced it with is 20lbs.
The lobro joint was the heaviest section.
There are 1 piece versions for the 3000, but I had vibration issues with them
no matter how I rotated it. Thats why I have the two piece.

Are there any vendors that provide carbon fiber replacements for the Galant?

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Whoodoo
buff guys = good time but my dream is to fondle 1051
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Galant VR-4 org Post #: 944443 posted 10/29/10 02:48 PM     Remind Me!  Send Private Message   Edit Post   
nvh makes sense. From what I've read, the aluminum DSS shaft has given some people vibrations, but their conclusion was that it was due to a poor balance. I don't know of anyone making carbon driveshafts and, even if they did, I would imagine it would be waaaay more expensive than the DSS aluminum one.



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