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Old 09-20-2009, 11:03 PM   #1
morrocco88
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Rotated BW S256 6speed

Default V8 6 speed into 97' LGT - Which drive shaft?

I'm swapping a full V8 drivetrain. I have all 4 hubs/knuckles, Brembo's, axles, rear diff and the drive shaft. I was thinking it would all bolt right in, but now I'm hearing that the drive shaft will not work in a BD Legacy. Any Legacy 6 speed swapper out there know for sure? If not, what shaft do I need exactly?

I really want to be able to use the stronger driveshaft and just bolt it up to the R180 without having to use another driveshaft and swap yokes on the diff.

Thanks for any help!
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Old 09-20-2009, 11:44 PM   #2
FuJi K
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use automatic legacy of your generation driveshaft. and ya, swap out the yoke

That's what I think. Since the 6spd is like the same length as an Auto tranny.
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Old 09-20-2009, 11:59 PM   #3
wrx_driver_2002
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Quote:
Originally Posted by FuJi K View Post
use automatic legacy of your generation driveshaft. and ya, swap out the yoke

That's what I think. Since the 6spd is like the same length as an Auto tranny.
you're absolutely right. All you have to do is swap rear diff driveshaft flanges between your stock diff and the r180 and the auto driveshaft will bolt right up and function as it should :-)
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Old 09-21-2009, 12:05 AM   #4
morrocco88
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So does that mean the STI drive shaft is too short? I do have the Auto driveshaft from when my car was an automatic back when I first got it.
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Old 09-21-2009, 12:10 AM   #5
wrx_driver_2002
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Impreza driveshaft are roughly 3" shorter than legacy driveshafts due to the difference in wheelbase between the two models. Unless you have it modified (lengthened) the STI 6MT driveshaft will not work in a legacy
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Old 09-21-2009, 12:18 AM   #6
morrocco88
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Hey you swap cars down at PIA don't you? I guess that is my definite for sure answer. I'm just glad I kept my auto driveshaft after I swapped it to a manual. I guess I have the 4.44 R160 from the auto setup as well, will that yoke work? Does is come off pretty easy after buzzing the nut off with a quality Snap-On air gun, or do you have to pull it off with a puller?

Thanks for your help!!!!
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Old 09-21-2009, 01:30 AM   #7
FuJi K
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give it a shot.. It should work. People swap their STi ones to WRX to use WRX drive shafts.
My rear diff is a JDM one so my 5spd driveshaft worked as well. lolz
But i'm using a JDM 6spd driveshaft though.
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Old 09-21-2009, 01:45 PM   #8
morrocco88
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^^^Thanks for the help guys!

Yeah, I'll try it out tonight. I hope it comes off pretty easy without needing a puller since I don't have one. I guess I could just have the STI drive shaft lengthened, but I'm not sure I would ever break the Legacy one.
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Old 09-22-2009, 12:07 AM   #9
morrocco88
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Rotated BW S256 6speed

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Got it done!!

It was a 27mm socket and that thing was on there tight. My bad to the bone double throw down Snap-On gun was sweating but it eventually came loose. The trick is to be able to hold the flange so the full impact is directed at the nut.

After the nut came off, it was just a couple whacks with a rubber dead-blow hammer and it slid off. I put it right on the R180 and tightened the nut and it looks like it was made to be there.
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Old 09-22-2009, 11:15 AM   #10
foolio
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Shifter is a little different too if you got a Impreza Shifter. Just FYI.
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Old 09-22-2009, 09:05 PM   #11
morrocco88
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Rotated BW S256 6speed

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What do I need to know? Will Impreza shifter assembly not work at all? Please elaborate.

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Old 09-23-2009, 01:29 AM   #12
rougeben83
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yeah just had this done on my car...3 driveshafts later (not many people do this on the 00-04's) and I found out the hard way I needed an automatic driveshaft from my generation car to make the 6 speed work.

You need the 6 speed shifter linkage to begin with, you can't use any 5 speed linkage with the 6 speed transmission.
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Old 09-23-2009, 11:21 AM   #13
morrocco88
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Rotated BW S256 6speed

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Thank you for posting. This is good info for future people searching, because I couldn't find a concrete answer when I searched.

Yes I do have the STI linkage that came with the V8 tranny. I also bought a TWM short shifter and weighted stainless steel knob for an 04' sti and hope it works with the JDM linkage. I don't see how it wouldn't though.
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