I have 90 Aerostar XT cargo van that has over 435,000 miles on it. I replaced the trnsmission at 300,000. I have never had the engine out. It has been tuned up 4 times. had 4 rack and pinions on it 2 radiators and a/c has been serviced I own 8 vehicles and this is the best auto I have ever owed. I keep it clean and changew the oil every 3-5000 miles, which with all the driving, is 6 to eight weeks,
It still get s 17-18 MPG ,