Here is the Mark III design, in a "mock-up" (engine only) configuration (first picture), and prepared for lifting of the whole engine / ZF combination (3rd picture).
The two bolts on the rear (3rd picture) are to spread the load, and reduce the cantilever loads on the 4 bolts around the carb pad.
This cost me about $8 in steel, and 30 minutes of fabrication time.
Note that it works on both the Ford Cast manifolds, and my cool new Blue Thunder manifold (3rd Picture).