Any SAE approved 5w30 motor oil will work just fine in your Towncar. If you have a lot of miles on it you may want to consider one of the new high mileage blends.
4.6 litre
5W-20 is the OEM recommendation for Ford products with gas engines.
The 2001 Lincoln Town Car Owner Guide shows ( 5W-20 )
( 5W-20 ) according to the 2003 Lincoln Town Car Owner Guide
The Owner Guide shows ( 4R70W )
Lincoln Continental. Lincoln Town Car.
According to the 2000 Lincoln Navigator Owner Guide : ( 5W-30 engine oil is used ) With engine oil filter change , 6.0 U.S. quarts / 5.7 litres of engine oil
R134a
R134a
JFK was shot in a Lincoln convertible, manufactured by Ford Motor Co.
According to the 2003 Lincoln Town Car owners manual : ( " regular " unleaded , 87 octane )
According to the 2004 Lincoln Town Car Owner Guide : ( " regular " unleaded gasoline , 87 octane )