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Old 09-12-2022, 07:35 PM   #1
FujiSwede
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Member#: 509169
Join Date: Dec 2019
Default Trans swap options and compatibility

Info: 2006 Saabaru (‘06 wrx wagon) manual trans, 170k miles

At 130k miles the throwout bearing went out so I did the clutch at the same time. I saw a good amount of snout damage from the throwout bearing. I knew the right way was to use the snout repair kit, but I was leaving for work travel the next day. I just greased the heck out of it and hoped for the best. It lasted 40k miles but has started to hangup.

I can either use the repair kit now, or do a trans swap. I always wanted a more aggressive final drive but what transmissions are my options. I know 5 speeds made from ‘02’-‘07 are fair game (as long as they’re push type). But what about 2008 and newer? There is a 2008 non turbo Impreza at a local junkyard. Can I use that trans and diff? What about other transmissions made 2008 and newer?
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Old 09-12-2022, 08:31 PM   #2
ether947
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Member#: 297799
Join Date: Oct 2011
Chapter/Region: South East
Location: Knoxville, TN
Vehicle:
2003 WRX
EJ207 version 8

Default

The Forester XT comes with the 4.44 FD, however, I think it is pull style. The 02-05 WRXs are pull style as well.

The GR WRX has a close ratio gear set which is my favorite of the 5MTs. One thing to keep in mind is that the GRs use ABS for the speedo so you will have to figure something out get your speedo working. Personally, I would avoid any non-turbo 5MT on a turbo car.

Here's a chart (it is outdated) if you want to look over most of your options. There are a lot of JDM 5MTs on eBay. Many of them are pull style though.
http://www.gearhack.com/myink/ViewPa...ission%20Chart
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Old 09-12-2022, 08:43 PM   #3
FujiSwede
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I found this trans ty754vcdda out of a 2003 legacy. It’s a 4.11 push. Can anyone comment on if the rear diff will bolt up to my Saabaru? What about strength of trans (vs my current 2006 turbo 5mt)?
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Old 09-12-2022, 08:44 PM   #4
FujiSwede
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I’ll probably use the sleeve repair kit for $60 from Amazon until I sort this.
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Old 09-21-2022, 02:49 PM   #5
FuJi K
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Member#: 3687
Join Date: Jan 2001
Chapter/Region: MWSOC
Location: St. Paul, MN
Vehicle:
MY99 GF4 JDM 6spd
NF Performance

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From what Subaru has given us, for your car I personally would find a 99-04 JDM pull type 5spd with 4.444 if i was wanting better gearing and overall transmission condition. It'll make the car more lively and peppy. Highway cruising engine speeds are a bit higher, but I'm ok with that.
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Old 09-21-2022, 03:14 PM   #6
benflynn
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4:44 xt trans is much more peppy than even the 4.11 in my fx or way more than the 3.90 in my wrx
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Old 09-21-2022, 05:50 PM   #7
FuJi K
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Join Date: Jan 2001
Chapter/Region: MWSOC
Location: St. Paul, MN
Vehicle:
MY99 GF4 JDM 6spd
NF Performance

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Quote:
Originally Posted by benflynn View Post
4:44 xt trans is much more peppy than even the 4.11 in my fx or way more than the 3.90 in my wrx
Aside from the 4.444FD, the FXT gear ratios suck.
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