4.6 litre
( 5W-20 ) according to the 2003 Lincoln Town Car Owner Guide
5W-20 is the OEM recommendation for Ford products with gas engines.
The 2001 Lincoln Navigator has double overhead cam (DOHC).
Lincoln Continental. Lincoln Town Car.
The 2001 Chrysler Town-AND-Country has overhead valves (OHV).
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 )
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.
According to the 2004 Lincoln Town Car Owner Guide : ( " regular " unleaded gasoline , 87 octane )
Use only premium gas (*high octane) in the Lincoln LS.