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Ask Mobil Archive -
Oil Consumption
DateQuestionAnswer
08/11/2008
Solutions for an Engine that Burns Oil
I'm wondering what the best oil choice is for a 1980 Chevrolet Monza (L4 2.5 Liter 2BBL engine) approaching 57,000 miles. It's running great but burns quite a bit of oil. I've been using Pennzoil high...
Based on your description of high levels of oil consumption, we recommend you use Mobil 1 15W-50. In the winter you might want to switch to Mobil 1 High Mileage 10W-40.
04/17/2008
Do New Diesel Engines Use More Oil Initially
I purchased a Mercedes-Benz 2008 GL 320 CDI diesel using Mobil 1. After 2500 miles it was down 2 quarts of oil. The dealer explained by stating that diesel engines use more oil when new, but get bette...
Higher oil consumption in a new vehicle is usually associated with engine break-in, which means that the piston rings and cylinder liners need to mate with each other. Continue to monitor oil consumpt...
01/10/2008
Will Switching to Mobil 1 High Mileage Decrease Burn-off in a Performance Car?
I have a '95 Saturn SL2 that I Autocross with 200,000 miles on it. Since I've had the car it's burned about 2-3 quarts every 3,000 miles, I use Rotella syn 5w-40. Recently I have started to burn more ...
The best way to improve oil burn-off is to switch to a higher viscosity grade. Either Mobil 1 15W-50 or Mobil 1 High Mileage 10W-40 would be the right way to go. If you think some of your oil loss may...
12/19/2007
Is a 15W-50 Oil Too Thick for Cold Temperatures, and Would Mixing with 0W-40 be Better?
I have a supercharged 2001 BMW 330ci with 107,000 miles on it. It has always burned oil, even when new. Now, however, it burns a quart in only 650 miles. I was told I should have been using 15W-50 syn...
New Jersey has cold enough winters that we recommend you continue to use 0W-40 at least in the winter. In the spring, summer and fall you can use Mobil 1 15W-50 and see if this improves your oil consu...
11/08/2006
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 ...
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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