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Ask Mobil Archive -
Fords Other than Mustangs
DateQuestionAnswer
01/12/2010
Will Switching to a Motor Oil with More Phosphorous Adversely Impact a Ford Explorer?
I've been running Mobil 1 10W-30 in my Ford Explorer V6 SOHC for years now. Thought I would switch to Mobil 1 0W-40 for a variety of reasons. Is this oil OK with an OHC engine and will the change from...
Mobil 1 0W-40 is an outstanding product, and with the 40 grade high temperature viscosity it can help control oil consumption in higher mileage vehicles. As far as the higher phosphorus content and it...
08/30/2009
Clarify Confusion Over Which ATF to Use in Ford Trucks
Ford specifies Mercon for the automatic transmission in the F-150 Lightning. Also, Ford emphatically states (in bold) in the owner's manual and service manual never to use a transmission oil that meet...
When the Mercon V spec was originally issued, Ford did not want fluids that met both Mercon and Mercon V to be used in vehicles. That is no longer the case.  You can use any of these following product...
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...
04/27/2009
Is Mobil 1 15W-50 Okay to Use in a Ford F-150?
I purchased a 1992 F-150 with a 4.9 I-6. The vehicle has 143,000 miles on it and runs well. The service history shows oil changes that include the use of 10W-30, 5W-30, 10W-40 and 20W-50 but never syn...
In hot climates like south Texas, Mobil 1 15W-50 would be a great choice as it will provide the durability you are looking for. Mobil 1 is an excellent choice for high mileage vehicles. If you want to...
04/05/2009
Is Mobil 1 0W-40 Okay to Use in a Ford F-350?
Mobil 1 0W-40. I own a 2007 Ford F-350 4X4 with the Triton V-10 (gas engine). I'm aware that Ford recommends 5W-20. However, I honestly don't feel very comfortable working my truck with only 20 weight...
Mobil 1 0W-40 should work fine for your engine but you will pay the price in a loss of fuel economy. This is why the 5W-20 is recommended.
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