Add:
Fuel Pump.
Fuel Tank.
Fuel injection harness.
Fuel injection ECU.
Fuel injectors.
Fuel injector Manifold.
Fuel injector relays....regulator...throttle body...etc
SI oil pan.
SI header.
Sliding Moon Roof.
Or you could dive into the engine bay and make it come alive with some sweet side draft carbs...sweet header, upgrade the ignition, lumpy cam, and out perform the SI.