Dave let me get the car over to my home shop this weekend so I can answer those questions for you. That missing decal is the coolant reserve system instructions.
Excellent! I'll have to get one of those if they are reproduced.
To make room for that second cold air duct, I switched to a '78/'79 style Thermoguard that has an integral washer fluid bottle. I had (c199?) unwrapped the engine compartment harness and moved that circuit to the other side of the compartment. I'll add the new decal over by the battery, and all will seem in order.
