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    '08 Cobalt SS, 2.0L Turbo, 5w30 Moblie 1, ~5000 km

    What would be the disadvantages to going to a 0w-40 from a 5w-30 oil. (Lets just keep it all with Mobil 1) Would I be at risk of damaging anything if i were to switch to a 0w-40 in a turbocharged engine?
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    '08 Cobalt SS, 2.0L Turbo, 5w30 Moblie 1, ~5000 km

    Originally Posted By: Clevy The 0w-40 is thinner at start up,and thicker while at operating temp. Some may disagree however m1 0w-40 has so many manufacturer certs for a reason. And they are the go to oil for many performance cars right from the factory. I hate Mobil as a company but the 0w-40...
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    '08 Cobalt SS, 2.0L Turbo, 5w30 Moblie 1, ~5000 km

    Alright, well my Cell is: 403-302-7104. Send me a text or something if you are coming through the Red Deer area. What have you done to your car? Are there any disadvantages to switching to a 0w-40 Mobile 1 from 5w-30? I guess I don't totally understand how that affects the viscosity. It would...
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    '08 Cobalt SS, 2.0L Turbo, 5w30 Moblie 1, ~5000 km

    Ok, Thanks for the info. I'll look into the tune and see how rich it's actually running. Maybe they can lean it out a bit more and still keep it safe (I'm currently using a catless downpipe, so cat preservation won't be an issue). Ill try some Z-Max and I just ran some seafoam before my last...
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    '08 Cobalt SS, 2.0L Turbo, 5w30 Moblie 1, ~5000 km

    Hi guys, Sorry for the slow response, I'll try to answer all the questions. Originally Posted By: Tucson Five-O Pyrosiege, The manganese in your UOA is from the fuel. Typically this value is 0 in port injected engines and low single digits in DI engines. I'm guessing, even though your engine...
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    '08 Cobalt SS, 2.0L Turbo, 5w30 Moblie 1, ~5000 km

    Hey guys. This is the oil analysis I did last summer for my 2008 Cobalt SS Turbo. 2.0L LNF. The recommended oil is Mobile 1 Synthetic and I wanted to do an analysis to see when I really needed to change my oil. I am not 100% sure on the mileage because i was going by the oil life meter...
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