I did some digging and saw that the new WRX 6 speed transmission was designed for (or at least was based on) one of the Subaru Diesel engines. I was kind of hoping that it'd use the same bellhousing as the EJs due to Subaru's propensity toward designing Lego-like cars, and if that bit about diesel was true, I was hoping it would be able to take abuse from engine torque beating on it.
My 5 speed is fine for now, but if it were a token effort to install and mate it against our EJs maybe it would've been nice for when my trans eventually dies. You're probably right though, and it probably wouldn't bolt up without a lot of effort and modifications.
This question went back to the problem with my engine (http://legacygt.com/forums/showthrea...ll-244619.html
) because I was thinking about what to do if it were something like a blown ringland (haven't bought a compression test kit yet, but with my luck on this car...)
Originally I was thinking about doing a full FA20DIT swap, but I saw I'd need to modify the frame due to the differences between the different engine mount locations between the EJ and the FA, and I just don't want to expend that kind of effort to do what would be an 8hp increase (when both were new, so probably ~28 hp now) Though the significant boost in fuel economy would've been nice.