Hood hinges... According to my research, the hinges on the 68 Mustangs were natural. Would this be correct for the GT-500's also? Or, do they need to be painted body color, Satin black like the engine bay, or a combination of both? What is considered "natural"? Is it bare metal, zinc plated, or cadmium? Also, are the areas on 68 GT-500's under the front and rear wheelhouses black undercoated, or black with body color overspray, or just body color? Thanks again guys!!! 1968GT500