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Old 06-23-2019, 04:50 AM   #1
Stoned_sti
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Join Date: Jun 2019
Default Help finding correct driveshaft ( full ej257 to 99 legacy outback)

Hello everyone

I had a 2005 STI (ej257 manual) that I had crashed leaving me with everything I needed to do a full STI swap into a 99 legacy (manual).
Everything is completed and I'm beyond excited to say the least.

The only issue I currently have, which is the last piece to my puzzle.
What drive shaft works with this swap? I'm having the hardest time figuring this out so I figured this was the best place to get to my answer.

My current problem is the angle of the drive shaft when it's connected, it's sitting to low. The bracket that holds the bearing makes it sit low, I've looked at other Subaru drive shafts where the bracket makes it sit up higher but those drive shafts are too short for my wagon, Leaving me scratching my head.

I would love if anyone would chime in and ask any questions that would help you help me find the right drive shaft, so I can get my new baby on the road.

The Picture of the 2 driveshafts (in link) shows you, on the right is how my driveshaft bracket sits, which isn't the proper height and I'm getting vibration because if it.

On the left driveshaft is the correct bracket which holds the driveshaft much higher to correctly meet up with the manual transmission, which sits higher in the tunnel than a automatic transmission. The only problem with the left driveshaft is the length, it's quite a few inches short (neither of these are my driveshafts, only using them as a visual example)

I'm also going to attach a couple pictures of my baby. Hope you enjoy

https://photos.app.goo.gl/zHF9XcULd59ccbpt7
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Old 06-25-2019, 03:02 AM   #2
norcaltuna
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Join Date: Jun 2011
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Location: northern california
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2003 WRX EJ207 VF36
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Default Help finding correct driveshaft ( full ej257 to 99 legacy outback)

Being that I don’t know of an r180 I that chassis/ trans length combination, I believe the Legacy auto driveshaft will have the correct input quill, length, center bearing house, but r160 rear flange, which can be swapped by a driveshaft shop. They’ll have to use your donor and weld it up, iirc. The auto and sti box look suspiciously similar ; )

Last edited by norcaltuna; 06-25-2019 at 03:05 AM. Reason: Corrected blunder
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Old 07-03-2019, 03:59 AM   #3
Stoned_sti
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Default

Quote:
Originally Posted by norcaltuna View Post
Being that I don’t know of an r180 I that chassis/ trans length combination, I believe the Legacy auto driveshaft will have the correct input quill, length, center bearing house, but r160 rear flange, which can be swapped by a driveshaft shop. They’ll have to use your donor and weld it up, iirc. The auto and sti box look suspiciously similar ; )
I really appreciate the response. I've been looking into also possibly having a single driveshaft made, I'm trying to figure out if the angle of the driveshaft will be good or if I should just go the route you mentioned above. Any thoughts would be appreciated 🙏🙏 thanks again!!
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Old 07-03-2019, 12:52 PM   #4
jamal
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Default

The differences in height of the center carrier bearing are due to outback vs not outback. On outbacks and foresters, the crossmembers are spaced down and so is the driveshaft carrier bearing.

Have you tried an 08 sti driveshaft? Or Legacy spec b? Those might be the right lengths.
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