Search and you will find many Zerex G-05 testimonials as a Ford approved coolant. Also readily available at most local auto parts stores and MUCH less expensive than Motorcraft "yellow" coolant. NAPA usually has it in stock for around $15 per gallon concentrate or $10 premixed.
Valvoline™ ZEREX™ G-05™ Antifreeze / Coolant uses organic acid-based chemistry to provide the ultimate protection against rust and corrosion. Find this and other Valvoline products you need to keep your engine running smoothly.