Re: Has Mobil 1 changed???
In general the extended performance oils are made on demand by the automakers, so that they can tell their customers that their car is cheap in maintenance. If you plan on hanging on to a car that uses this type of oil you should change it more often. Or just use a higher quality oil.
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Anders Stålklint.
After selling my COPO 9561 I´m now a "postman" with the main project being a 1966 327 2 dr sedan Chevy II.
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