While watching the information conduit, otherwise known as TV, an ad appeared about the latest offering from Mobile 1 to the automotive lubrication market. It was touting 15K, or one year oil drain intervals for this new product. My immediate thought.... what took them so long? AMSOIL has recommended 25K or one year drain intervals since 1972, with the first API rated, full synthetic 10W/40 developed for automotive use, two years before Mobile1 by the way. AMSOIL also guarantees extended drain intervals and makes customers aware of the Magnuson-Moss Warranty Act, protecting consumers from fraudulent none coverage of warranty claims. In short, you have the right to use the oil of your choice.
As noted in the past, all automotive engine oils are judged/evaluated by the API, American Petroleum Institute. Though Mobile 1 and AMSOIL have very close to equal specifications, AMSOIL bests them in most tests used by API to rate automotive engine lubricants. Mobile 1 is a good quality lubricant and enjoys a large following from automotive enthusiasts.
AMSOIL has recommended a 25K/1 year drain interval since 1972. The only codicil being 15K/1 year for severe service, such as, heavy duty towing, dusty/dirty or long periods of idling being the only restrictions. Mobile 1 touts the 15K drain, yet makes the severe service a reason to return to vehicle manufacturers drain intervals or the vehicle Oil Life Monitoring system recommendations. That is no where near the 15K/1year touted in their ad.
My conclusions are that Mobile 1 is a good product, and could easily give good service for 15K/1 year, yet Mobile is reluctant to follow AMSOIL's lead and remove the restrictions and guarantee the lubricant for the full 15K/1 year period. AMSOIL has been around longer than Mobile 1 and is still recommending 25K/1 year change intervals on our Signature Series lubricants. AMSOIL is the leader in synthetic automotive lubricants, move up to the real #1.
As noted in the past, all automotive engine oils are judged/evaluated by the API, American Petroleum Institute. Though Mobile 1 and AMSOIL have very close to equal specifications, AMSOIL bests them in most tests used by API to rate automotive engine lubricants. Mobile 1 is a good quality lubricant and enjoys a large following from automotive enthusiasts.
AMSOIL has recommended a 25K/1 year drain interval since 1972. The only codicil being 15K/1 year for severe service, such as, heavy duty towing, dusty/dirty or long periods of idling being the only restrictions. Mobile 1 touts the 15K drain, yet makes the severe service a reason to return to vehicle manufacturers drain intervals or the vehicle Oil Life Monitoring system recommendations. That is no where near the 15K/1year touted in their ad.
My conclusions are that Mobile 1 is a good product, and could easily give good service for 15K/1 year, yet Mobile is reluctant to follow AMSOIL's lead and remove the restrictions and guarantee the lubricant for the full 15K/1 year period. AMSOIL has been around longer than Mobile 1 and is still recommending 25K/1 year change intervals on our Signature Series lubricants. AMSOIL is the leader in synthetic automotive lubricants, move up to the real #1.
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