Rear Engine Oil Seal Replacement

[lanciat]

I'm considering taking this job on. I'd be grateful for any advice that anyone can pass along. Specifically, after I remove the transmission, what's the best way to remove the flexplate/flywheel to get to the seal (assuming one doesn't have the special Subaru tool to hold the crankshaft in place)? Also, can anyone elighten me on the size of the seal itself? Ordinarily, I'd plan to use a length of comparable diameter PVC pipe to install the new seal, but am curious as to how large the seal is.

Thanks for any and all help.

Joe Fillip
'95 L AWD ("The Wayback Machine")
Swarthmore, PA