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Synthetic Motor Oil Option for a High-Mileage SUV
 
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Question:
Synthetic Motor Oil Option for a High-Mileage SUV
I am driving a 1999 Chevrolet Suburban with 200,000 miles on it. I want to switch over to synthetic oil because of the added protection and extended oil change intervals. Should I use truck/suv, high mileage, or extended performance (15k intervals) Mobil 1 motor oil? and why would I not use extended performance?
-- Ryan Runchey, Escondido, CA
Answer:
The recommended fully synthetic motor oil would be Mobil 1 High Mileage 5W-30 since it is designed especially for higher mileage engines where conventional oil has been used. It reduces the sludge and deposits that conventional oils can leave behind.
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