No pics yet, but I took some measurements. Maybe they will help.
The front bellhousing mating surface protrudes about 3.75-4 inches in front of the firewall.
The flywheel sits about 2.5 inches inside the trans measured from the bellhousing front mating surface.
Generally, at the firewall, there is about 2.5-3 inches clearance between the bellhousing and the trans tunnel. It tapers down to about 1.5" clearance 4 inches back from the firewall.
The least clearance is between the clutch fork and the trans tunnel - about 1.5 inches.
Other items in proximity:
Driver's side: oil filter pedastal, oil press sensor, and coolant port. All are on the engine side of the engine/trans mating surface.
Pass side: There is a brake booster line that goes from the firewall to the intake manifold. There is also an intake manifold "EGR port" that should be blocked off for an IT7 car. Both are on the engine side of the mating surface.
The header is about 2.5-3" away from the trans at it's closest point (right at the front edge of the bell housing). It is generally several inches away from the trans.
By the way, if you are working on the project that I think you are, the engine and header will be different from the current IT7 , 12A motor. That may change spacing and locations of various items.
