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6MT Master Swap Thread


HAMMER DOWN

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Design of the 2007+ STI (and 2008-2009 Spec B) 6MT boxes

 

http://forums.nasioc.com/forums/showpost.php?p=23737279&postcount=11

 

Thanks to Jeff Sponaugle for posting this.

http://www.sponaugle.com/nasioc/08-6MT-Info-1.jpg

 

 

http://www.sponaugle.com/nasioc/08-6MT-Info-2.jpg

 

http://www.sponaugle.com/nasioc/08-6MT-Info-3.jpg

 

http://www.sponaugle.com/nasioc/08-6MT-Info-4.jpg

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Hey guys i'm about to do a 6 speed swap and i'm having a hard time finding a spec B driveshaft so i started look for alternatives.

 

I found this one http://www.ebay.com/itm/Drive-Shaft-Dorman-936-955-fits-05-09-Subaru-Legacy-/322242649021?hash=item4b07289bbd:g:ey0AAOSw5ClXwv89&vxp=mtr

but it says it will fit both the 05 legacy gt and 07+ spec B legacy's so this confuses me. I am also considering getting a driveshaft custom made, does anyone have any experience with that? Thanks in advance.

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any spec.b 6mt driveshaft will work, along with any 05-09 4eat Legacy / Outback driveshaft.

 

Well actually it will work but the carrier bearing on a LGT or spec b is shorter from mounting point to bottom.

 

The outback carrier bearing drops the shaft more.

 

I am having problems with the rear seal wearing out and we think it is due to the angle difference.

 

I am using a Legacy 4 speed auto shaft and should have bought a outback 4 speed auto shaft.

 

I could space it down with spacers and longer bolts but wanted to maybe just get a different shaft.

 

If i get a custom made shaft like hammerdown then I need the correct carrier bearing measurement

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BMB - if you have a pipe on the shifter side of your trans, it's a pump-version. Would be interested to know the Trans ID Number off of yours as well. Perhaps those two things will confirm whether it's a TY856WWDAA or not.
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Same here, scooby. Ok running a legacy spec driveshaft and have thought about trying to search for an OBK driveshaft. Add it to the list...

 

Are you having trouble with rear seal? My first 6 speed never did this but my brand new 6 speed I have had 2 rear seals leak.

Only thing I can think of is the shaft angle is slightly different even though it spins fine and no vibration at all.

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Well actually it will work but the carrier bearing on a LGT or spec b is shorter from mounting point to bottom.

 

The outback carrier bearing drops the shaft more.

 

I am having problems with the rear seal wearing out and we think it is due to the angle difference.

 

I am using a Legacy 4 speed auto shaft and should have bought a outback 4 speed auto shaft.

 

I could space it down with spacers and longer bolts but wanted to maybe just get a different shaft.

 

If i get a custom made shaft like hammerdown then I need the correct carrier bearing measurement

 

Can't you just pull out the body spacers?

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Can't you just pull out the body spacers?

 

Well Originally I was going to do that. In fact I have all the LGT parts to do it properly.

 

With that said I decided against it because the motor and transmission sit down about and inch in the car with the outback spacers.

 

This allows more hood clearance for things like my FMIC hose to turbo etc.

 

I just felt like I would rather have the engine to hood clearance so I decided not to remove the spacers.

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Sure beats the price for an OEM replacement

 

Just have to change the rear flange to work with the R180, correct?

 

Actually when you use the R180 you use the Yoke from the R160 on the R180 that way your driveshaft works.

 

Spec b R180 is an R180 with R160 yoke IIRC

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Are you having trouble with rear seal? My first 6 speed never did this but my brand new 6 speed I have had 2 rear seals leak.

Only thing I can think of is the shaft angle is slightly different even though it spins fine and no vibration at all.

 

I haven't had any issues with the rear seal.

"Bullet-proof" your OEM TMIC! <<Buy your kit here>>

 

Not currently in stock :(

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Sup guys I just bought an 06 6 speed with 75k miles for $1500 for my swap. I have been researching the swap and I have all the parts on the way except a DCCD controller. I don't care about DCCD right now so I was wondering if I can just install the trans without a controller? Will it stay open or locked, and is it bad in any way? Thanks in advance, trying to get her done before BAM!
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Sup guys I just bought an 06 6 speed with 75k miles for $1500 for my swap. I have been researching the swap and I have all the parts on the way except a DCCD controller. I don't care about DCCD right now so I was wondering if I can just install the trans without a controller? Will it stay open or locked, and is it bad in any way? Thanks in advance, trying to get her done before BAM!

 

Yep you can run it. I recently had a problem with my DCCD and it drove fine without it.

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With no controller, it is unlocked. Honestly I like it better that way anyhow unless there's snow or ice on the road... I unhooked my controller while searching for electrical gremlins, and just never bothered to hook it back up.
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Sure beats the price for an OEM replacement

 

Just have to change the rear flange to work with the R180, correct?

 

 

 

You can put an R160 flange on an R180 ;)

Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs.
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Open is nice but I love the way torque transfers to the front coming out of corners when in auto mode. Car just throws itself at whatever the front wheels are pointed toward.
Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs.
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With no controller, it is unlocked. Honestly I like it better that way anyhow unless there's snow or ice on the road... I unhooked my controller while searching for electrical gremlins, and just never bothered to hook it back up.

 

you may as well have the spec b transmission :)

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