Pick a spot on the floor of the pan, left and right sides.
Small hole, 10-24 screw, small tab (1 hole for the screw, 1 for the coil) underneath
Coil hooks to the tab
Pulls down, attaches to manifold bolt, existing linkage, any convenienet point easily reached for service

In some cases, there's enough compression height and resistance in the foam that the hood keeps the AC in place.

The flat floor of the pan is 3/8" lower than the carb's entry radius, carb will pull air from behind it. Radius in cross-section is 270 degree arc.