mobil 1 5w30 is great oil to use. its more expensive but it is rated for a 10,000 mile oil change. i also use 1 quart of lucus heavyduty oil stabalizer. it gives extremely good lubrication and extends your engine life at least 50,000 miles if not more
According to the 2000 Lincoln Navigator Owner Guide ( 5W-30 )
Six quarts of 5W-30
A 2000 Lincoln Navigator needs 6 quarts of oil, and the recommended viscosity is 5W20. ========================================================= The 2000 Lincoln Navigator Owner Guide shows to use ( 5W-30 ) The 6.0 U.S. quarts with engine oil filter change is correct
5w30
10W-30
According to the 2002 Lincoln Navigator Owner Guide : ( 5W-20 engine oil is recommended )
( 5W-20 ) according to the 2005 Lincoln LS Owner Guide
10W-30
Any oil recommended by your local oil lube specialist. When it comes to oil, you essentially get what you pay for.
owners manual says to use 5w 30 motor oil
SAE 5w20 any premium brand.
You need synthetic oil