I was surprised to find out that Mobi has just come out with a new Mobil1 formula and also added a new viscosity; 0W-40. This oil is rated under the new rating "SL".
I was wondering if such oil would be appropriate for a turbocharged Volvo with an upgraded ECU (like mine). I understand that the "0" is for the cold temps and the "40" rating should provide adequate protection especially since the engine operates at higher temps, but is it too thin??? Or would I be better off using an oil with a viscosity of, say, 15W-50 which is pretty heavy and at the expense of reduced gas mileage?
Yannis
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2001 V70 T-5M SR, Classic Red/Graphite Lthr., ipd ME7 ECU Upgrade, K&N Air Filter, Cold Weather, Dolby Surr. Sound, Rear Spoiler, 17' 'Tethys' alloys
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