03-06 4.0 Oil Question

[bucky]

When my 05 was new the required API rating was SM. The oil I use today is rated as SP. bottom line is that todays oils are far superior to the oils produced 20+ yrs ago.

 

[Moglocker]

When my 05 was new the required API rating was SM. The oil I use today is rated as SP. bottom line is that todays oils are far superior to the oils produced 20+ yrs ago.

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Oh ya Kirkland,I like their steaks also