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Is Mobil 1 Causing Problems in EVO Engines?
 
Ask Your Stickiest Question. . . Or ask us something you’ve always wanted to know about using our products. We’ll sort through all the submissions and present the best questions to our automotive experts. We'll share the questions and their answers here.
Question:
Is Mobil 1 Causing Problems in EVO Engines?
Hi, my name is Farshid and I have a 2006 Mitsubishi Evolution 2.0 Turbo with 31,000 miles on it. I have only used Mobil 1 10W-30 in it, which is just what they recommend from Mitsubishi. Well, last night I was driving home on the freeway and doing about 75MPH. When I got home my car was on Turbo timer for one minute, and I started to hear this ticking noise so I shut the car off and let it cool down. Then I started the car again and the noise was there again so the next day I pulled the valve cover off and checked everything and nothing was wrong with it. So I called my friend who has been a mechanic all his life. He came over and said I have a rod knock on my car on the number 4 cylinder. And now I'm reading on EVO M and everyone is talking about how Mobil 1 has changed something in the oil that's not good for EVO's. Now you guys recommend 5W-40 diesel oil or 0W-40 oil. Can you please let me know or someone tell me what I need to do why my engine spun a bearing, and why Mobil 1 never said anything to any one about this?
-- Farshid Farahani, Sandy, UT
Answer:
We have been proud to be the factory choice for Mitsubishi Lancer Evolution vehicles since 2003. Any modifications to our oils to meet evolving industry or automobile manufacturers specifications are reviewed with our automobile manufacturer customers, like Mitsubishi, for their endorsement.
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