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Re: Oil (again)
Douglas Frank USG wrote:
> Say, what's all this "Service SJ" stuff anyway? <snip>
> Looking on the back, all the synthetics say "for service SJ"
> (or "SJ/CF"). Many of the labels claim equivalence to other codes,
> (usually SH)-- but NONE claims to be a replacement for either SF or
> The trouble is, my owner's manual says to use service SF or SG oil. > What the heck do these codes mean anyway? Is there a system to them? > Would SJ include everything from SA to SI?
Of course there's a system - API is chock-a-block full of engineers.
Not being one, I have to read the damn lub books each time I buy oil.
Well I found this site that explains API ratings. Have fun.
- Oil (again)
- From: email@example.com (Douglas Frank USG)