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Re: Synthetic Oil Study
wow 2 years ago huh i have an outside study for amsoil royal purple and mobile 1 from less than 6 months ago seeming i work w/ car parts and oil everyday. you do know that formulas change and dont stay constant w/ oil right. but hey again what do i know i just work w/ oil distributors all the time.
i am done w/ this now and if you have any future opinions good for you what you think is what you think. i just go from good old fashion facts that i come across.
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