SM Oil

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Hey guys, I've seen this new rating around on a couple of threads. Even Terry mentioned this on another post. Has this oil come out yet? What are the advantages/dis-advantages/difference of SM over SL rated oil? Thanks Rick
 
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6,388
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Washington St.
Next summer for the 2004 model-year vehicles. It'll meet tougher emission control requirements and probably offer better engine protection for the lease-return vehicles the car makers get back where the lessee has taken little or no care of the engine. Ken
 

Last_Z

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2,794
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Ken, I take it when you say lower emissions, you mean less Zinc and other adds. How is that gonna offer better protection? [I dont know] Rick
 
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