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Ask Mobil Archive -
Cold Weather
DateQuestionAnswer
05/08/2012
What Causes Spikes in Oil Pressure?
Why do we see spikes in the automotive gasoline engine lubrication oil pressure during cold weather?
If referring to the initial oil pressure at start-up, this is because the oil has thickened overnight, and pressure will likely not be in steady until the oil reaches normal operating temperature. Syn...
11/06/2010
Why Switch Motor Oil Viscosity in Different Seasons
My '99 Grand Prix has the 3800 engine which calls for two different viscosity engine oils. 5W-30 when temperatures are below 32° and 10W-30 when temperatures are constantly above 32°. My question to y...
The key difference in these two viscosity grades of Mobil 1 does not necessarily lie in the Pour Point measurement, but with the results of an industry low-temperature viscosity test called the Mini-R...
05/06/2009
How Long to Wait Before Switching New Car to Mobil 1?
Why are there so many opinions when to put Mobil 1 in a new vehicle? It seems like everyone that I ask, and I'm talking about mechanics, have a different opinion on when I can switch from the original...
You can use Mobil 1 as soon as possible.  We recommend you use Mobil 1 0W-20 Advanced Fuel Economy for maximum cold weather protection and a chance to also maximize fuel economy while providing the pr...
08/19/2008
Is 10W-30 Suitable for Cold Weather Use?
Can I use Mobil 1 High Mileage 10W-30 engine oil for my 100,000-mile car even though the manufacturer of my car recommends 5W-30? I did some research on the internet, and people seemed to say that whe...
Mobil 1 10W-30 will perform at the low temperatures you are likely to experience where you live.
06/20/2008
Will Switching to a 5W-40 Oil in a Turbo Engine Improve Engine Warm-up Times?
I drive a 2003 MAZDASPEED Protegé 2.0L Turbo MT. It's recommended from Mazda 10W-30 or 5W-30 in very cold temps. I'm using Mobil 1 Supersynth 10W-30 all year round but it takes awhile for the engine t...
We recommend you use Mobil 1 0W-40. It can be used all year round and will provide outstanding low temperature flow and outstanding high temperature protection for your turbo.
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