2005 Lincoln Aviator

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Jan 12, 2014
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Guys, My buddy has a 2005 Lincoln Aviator with 135,000 miles on it. After driving for 5K miles, his oil was below Low. No leaks. His V8 just must burn a lot of oil. Do you think he should stick with plain Jane Mobil 1 Full Synthetic or make the switch to Mobil 1 High Mileage? Your thoughts and or oil recommendations are welcome. Thanks!
 
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It burned a quart+ in 5000 miles in a 10year old vehicle. Nothing crazy just make sure he check it.
 

Boston

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Ya - should I use High Mileage or continue with regular full synthetic?
 
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M1 HM or MaxLife red bottle if it's still using oil on M1. 5W-30 instead of 5W-20 may also improve the usage.
 
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Originally Posted By: Boston
Ya - should I use High Mileage or continue with regular full synthetic?
If it doesn't leak, it doesn't matter. Either will burn at the same rate due to rings and valve guides. HM is really only a benefit when you have leaky seals somewhere.
 
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Burning a quart at that range is not bad at all. I'd move up to a thicker oil and try that, but nothing like a 15W-40, 5W-30 or a 10W-30 might be his new friend. Might check the PCV system as well.
 
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