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Originally Posted by ///M Power
Are you comparing how well the car ran with mobil 1 did before the change to the newly changed amosil? Menaing you tested a car who need an oil change to one that just got an oil change.
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Yes i am.. but its my opinion that if M1 15k mile oil can actually go 15k miles it shouldnt be giving me bad gas mileage and just all around shitty performance 3k miles down the road.