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Old 05-20-2020, 08:42 AM   #1
Scooby Newbie
Member#: 405192
Join Date: Oct 2014
Location: Pittsburgh
2009 Impreza 2.5i

Default Transmission Swap/Compatibility

Hi All, long time lurker, first time poster here.

I know there are a few threads around about this topic, but I haven't been able to find enough information to make me feel confident purchasing a used transmission. I have an '09 Impreza 2.5I (non-turbo) wagon that has a failing 5 speed tranny and center diff. I've read a couple different things that have said I can drop any subie 5spd MT in as long as the final drive ratio matches that of the rear diff and that it matches if its a Push/Pull type clutch. Using the Rallispec chart, Ive found that my trans (TY758VC1AA) has a FD of 3.90, but I don't know if it's a push or pull. Am I missing any other pertinent info that would make a difference before pulling the plug on a used tranny? And are JDM transmissions compatible with our USDM motors (EJ253)? I've found a few JDM transmissions with the correct final drive that are alluring due to their low mileage and they tend to be less expensive. Thanks in advance for any input!
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