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Ask Mobil Archive -
Which Mobil 1 is Appropriate for a Supercharged Porsche
I own a 1982 Porsche 911SC. This is an air-cooled car. When I look up your recommendation, it states the 0W-40. I am concerned about Zinc and Phosphorous levels and proper lubrication (should I be?). ...
We are happy to say that Mobil 1 0W-40 is the factory and service fill choice for almost all Porsche vehicles since 1995. Porsche has carefully validated that this product and viscosity are appropriat...
How to Handle 20,000-Mile Motor Oil Drain Intervals When a Car is Driven Infrequently
Porsche recommends an extremely long drain interval of 20,000 miles for Mobil 1--which is great but since my 2006 911 is a "weekend car" it only gets 5-6,000 miles per year. Should I wait to change th...
We recommend following the drain intervals listed in your owner's manual.  Mobil 1 would satisfy those longer drain intervals as long as the manufacturer makes that suggestion.
Mixing Motor Oil Viscosities to Achieve 5W-50 Oil
I want to mix Mobil 1 5W-30 with 15W-50 (1:1 ratio) and run it in my 2002 Porsche 996 C2. I have two reasons for wanting to do this. First, I live in a region where freezes are rare and it is very hot...
We recommend you use Mobil 1 0W-40 all year. It will give you outstanding protection at low ambient temperatures as well as at high operating temperatures.
Which Gear Oil Brand is Best for Porsches with Limited Slip Transaxles?
For Porsches with limited slip transaxles, I've heard that Mobil 1 Synthetic Gear Lube LS 75W-90 is too slippery for the synchros and that Mobil Delvac Synthetic Gear Oil 75W-90 is the preferred lube....
Mobil 1™ Synthetic Gear Lube LS is specifically designed for limited slip differentials. It contains a nominal amount of friction modifier to satisfy the needs of many applications. Mobil Delvac™ Synt...
Protecting An Infrequently Used Engine
I use my Porsche infrequently. Will Mobil 1 drain away from the parts more quickly and therefore potentially leave them "dry" when I re-start the engine. Is there anything I can do to minimize this pr...
Any motor oil is going to drain off the internal components of your engine when it is shut off. It is not likely that the components will be completely dry, but after an extended time the amount of oi...
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