Miata Mailing List: December 1998, Message #854

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In a message dated 12/2/98 8:11:59 PM Eastern Standard Time, KMKevin@aol.com
writes:

> I looked all throughout the owners manual, but I can't find what the correct
>  oil weight to put in my 93.  I am going to be using Mobil1.  I talked to a
>  Mazda  shop and they said 10w-30.  This right?  I'll be in heading into 
> winter
>  weather now, but the yearly temps can range from 0-100F here in St. Louis,
>  although those are the extremes.

I've run Mobil-1 5w30 on 5k changes in my '90 for 200,000 very, very hard
miles.  Oil pressure is still pretty much the same as when new.  This is in
environments ranging from 100 deg+ South Carolina summers to -15 Colorado
winters.