1968 Ford Mustang V8 4.7L Engine with AC or Heavy Duty Cooling. 1968-1969 Ford Mustang V8 5.0L Engine with AC or Heavy Duty Cooling. 1969 Ford Mustang V8 5.8L Engine with AC or Heavy Duty Cooling. This AA5052 Aluminum Radiator is designed to provide maximum cooling efficiency to prevent premature engine failure.