the same as was in it from factory, motorcraft 10w30. Unless you have smoking or a lot of miles, more than 150000. If you have really high milage a synthetic blend like royal purple would be best. There is a sticker on vehicle under hood with oil requirements on it.
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According to the 1998 Lincoln Town Car Owner Guide :
It came from the factory with ( 5W-30 )
Do a Google search " pictures of 1998 Lincoln Town Car "
Yes
The Lincoln town car selected as motor trend car of the year in 1990.
wiper motor on lincoln towncar 02
how do you replace cooling fan connector wires if they were cut on a 1998 lincoln town car
No.
Lincoln is a division of the Ford Motor Company
how do you remove valve covers on 1998 Lincoln town car with 4.6 engine
There are shock absorbers in the front on a 1998 Lincoln Town Car
Ford Motor Company
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of 1998 Lincoln Town Car
yes