for questions and answers about alternative power transplants on the T25, GTi, Porsche,Subaru etc, this is the place. You must register to post but anyone can read.
The one on the left has what looks like a cut down Landrover engine mount fitted for an exhaust mount, with a VW two bolt sandwich style exhaust mount lying of the floor next to it
I can't see the mount under the plate on the right, but I could be a VW exhaust mount to