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06-22-2004, 03:44 PM | #1 |
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Join Date: Apr 2002
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I need a 3.9 rear. Should I get a nonLSD Legacy diff and swap,or buy a legacy LSD 3.9
I'm piecing together stuff for a 6sp swap and need some advice.
I know I need to have a 3.9 rear end and i want it to have an LSD. But i see a few ways of doing it. 1) Buy a nonLSD legacy diff and swap my LSD into the legacy case. 2) Buy a nonLSD legacy diff and swap the 3.9 ring/pinion into my r160. 3) Buy a legacy diff that has LSD and 3.9 already. I'm not sure which model years to look for, so I would appreciate some info on that, but also which route would be the better way to go, and if i'm leaving anything out. Unfortunately a r180 is gonna cost too much. Also, will an auto driveshaft from any 2000-2004 Impreza work? thanks.
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06-22-2004, 03:46 PM | #2 |
Scooby Guru
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Join Date: Jul 2001
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MWSOC
Location: Atlanta, GA
Vehicle:2005 2012 Jeep 2013 DGM BRZ |
The LSD that the 3.9 Legacy turbo uses won't work with a WRX. It uses male axle stubs with female splined axles. The Legacy turbo axles won't work in a WRX because they are too narrow. (The WRX track is wider in the rear) Maybe they'll work with a wagon but I'm not 100% sure. The easiest thing to do is buy a non-lsd or lsd 3.9 out of a legacy and put your lsd unit in it.
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06-22-2004, 03:48 PM | #3 | |
Scooby Specialist
Member#: 17851
Join Date: Apr 2002
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Quote:
any idea what model/year legacy would work for me? thanks for the quick reply. |
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06-22-2004, 03:53 PM | #4 |
Scooby Specialist
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