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Is Synthetic Oil Thinner than 'Regular' Oil?
 
Ask Your Stickiest Question. . . Or ask us something you’ve always wanted to know about using our products. We’ll sort through all the submissions and present the best questions to our automotive experts. We'll share the questions and their answers here.
Question:
Is Synthetic Oil Thinner than 'Regular' Oil?
I recently purchased a 1996 Dodge Ram 1500 pickup with a 360 gasoline V-8 with 115,000 miles on it. I noticed it is "losing" oil, none under the truck when parked, but the oil level keeps dropping. I have not noticed any smoke behind the truck when driving it, and I don't smell it when driving, so the truck does not appear to be burning it. I would like to switch to Mobil 1 synthetic oil, but am not sure if this is "thinner" oil than regular oil. What would you recommend? I use only Mobil 1 in my 6-speed Corvette and have excellent luck with it.
-- Dave Tenorio, Akron, OH
Answer:
We would recommend switching to Mobil 1 High Mileage 10W-40 or Mobil 1 15W-50. Both of these oils can help to reduce oil burn-off.
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