OK but that B-series better be a turbo 2.0 stroker B-Series. And better be force inducted to keep up.
The configuration requires an adaptor plate like the H-Series to B-Series tranny. Motor mounts are hard to explain if you haven't followed a "K-Swap into an integra shell" They way is engine mounts bolt up on the passenger side is very strange.
And like Matt said, this chassis was never built for FR setup. The chassis will flex like you'll never believe, especially if you plan on running 400 whp.