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Ask Mobil Archive -
0W Oils
DateQuestionAnswer
08/04/2009
Why Have Some Car Makers Moved from Recommending 5W-30 to 5W-20 or 0W-20 Motor Oil?
I just bought a new 2.4L Toyota Matrix and saw that the recommended oil was 5W-20 or 0W-20. My older Matrix requires 5W-30 and I have always used Mobil 1. What modifications in an engine change the oi...
The main driver for lower viscosity oil recommendations is improved fuel economy. However, if the OEM (original equipment manufacturer) is recommending a lower viscosity, it is safe to assume that the...
05/29/2009
Why Have Multiple 30 Grade Motor Oils if the Protection Level is the Same
I see you stated your Mobil 1 0W-30 wt oil offers the same protection as your 5W-30 and 10W-30 oils. If so, why in the world would you continue to make the 5W-30 and 10W-30 oils when one could have mu...
You are on the right track which is why oil recommendations are getting lighter and lighter. But first give credit to the OEM’s (original equipment manufacturers) who over the years have produced bett...
04/29/2009
Will Using 0W-20 Oil Cause Lifter Ticking in a Scion xB?
I have a 2009 Scion xB which can use 0W-20 or 5W-20 weight oil. I would like to use the 0W-20; however, I am concerned that if I use the 0W-20 weight oil, it may cause the lifter to tick. I have had p...
The 0W-20 may provide you an edge in fuel economy. If you have a finely tuned ear you may hear lifter tick on start-up which would quickly disappear. We recommend you give the 0W-20 a try and see what...
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.
04/01/2009
Using 5W-40 Grade Motor Oil Instead of 0W-40 in a Mercedes-Benz
I've been using Mobil 1 0W-40 synthetic oil in my 1992 500E Mercedes for 4 years now and have been told to consider 5W-40 grade for my car. I live in southern California, my mechanic only carries 0W-4...
Both a 5W-40 and 0W-40 will provide the same level of protection at high temperatures, especially if you are using a product like Mobil 1. As far as the 0W versus the 5W, this should not make a differ...
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