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Turbo Engines
Can Mobil 1 0W-40 be Used in a Dodge Neon Year-round?
I have a 2005 Dodge Neon SRT-4. As I understand it, my car calls for a 5W or 10W-30 oil. After the Neon was replaced by the Caliber, the SRT version came out with a factory fill of Mobil 1 0W-40. I've...
Using Mobil 1 0W-40 is a good choice for year-round service in Las Vegas where there's a wide range of ambient temperatures. With the addition of the turbo, the higher viscosity of the 0W-40 should pr...
Can Synthetic Motor Oil be Used in a Subaru Turbo?
Specific to my 2005 Subaru Legacy Turbo - the dealer discourages use of synthetic oil stating that the variable valve timing, which is oil pressure actuated, is adversely affected. The recommended wei...
There is no issue using Mobil 1 5W-30 for this application. We would add that changing viscosity grades could impact performance of the hydraulics of the variable valve timing, but not simply changing...
Is Mobil 1 Diesel Motor Oil Okay for the smart Car?
We have just purchased an '06 smart car with the turbo-charged .7 liter engine. While the car has just over 1,000 miles, I opted to change the oil and filter since the original oil has been in there f...
Mobil 1 Turbo Diesel Truck 5W-40 does not meet MB 229-5.  You can instead use Mobil 1 0W-40.
Can Mobil 1 0W-40 be Used Year-Round in BMWs and also in a SAAB?
Hello. I have three questions, actually. I have a 2004 BMW 745li, a 2006 BMW 330ci, and a 1992 Saab Turbo Convertible. BMW recommends their own oil or Castrol. You recommend Mobil 1 0W-40. Is it OK to...
You can use Mobil 1 0W-40 in all three vehicles. The 0W-40 is the best viscosity for the BMWs but you could also use Mobil 1 0W-30 Advanced Fuel Economy or Mobil 1 5W-30 in the SAAB and possibly gain ...
Any Worries About Oil Coking in a Turbocharged Race Engine?
Hello. I run your 0W-40 in my turbocharged road race engine. Sometimes if I have to shut down hot, I will notice on my data logger later that my turbo oil exit temp hits 250°C! Is this too high? At wh...
The temperatures you are seeing are quite high but not surprising. There are a couple of things you can do to protect the turbo from coking. You are already doing the first thing we would recommend wh...
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