The prior SW for this site used to capture builder make and what you thought the build (rating) - for home built DIY it was not very valid but you could see total # of IM/CMC/VS/Becks amoung owners here. You could encourage folks to add make, serial # and year of manf to their profiles along with pictures.
First intermeccanica’s unique chassis feature that moves the engine/transmission package 3” forward of the original location, significantly improving weight distribution.
??? Early VW pan based IMs (to include FF/CMC/VS/JPS) use a standard VW bug/T1 pan shortened ~10.5". It is not a unique IM feature there. Later tube chassis IMs did that but it also causes extreme CV joint angles (so boots get destroyed quickly). IM also lengthen some chassis's/bodies like for the Porsche 6 cyl installation.
Second, the use of more modern semi trailing arms rear suspension. The chassis is permanently united with one piece ISO resin composite body.
Permanently united?- NOT TRUE. It's only as strong as the silicon caulking (and few bolts) used to join the pan to the body. CMC's build manual has you fiberglass the joining seams. It can be fairly easily separated say to change the floor pan. The steel subframe is glued (Liquid Nails) and riveted to the fiberglass but even it can be removed.