[s-cars] not the usual oil question

john cléirigh john at johncleirigh.com
Fri Apr 11 17:29:38 PDT 2008


Delurking for a minute.  When I was rebuilding the engine in my MGB I was
pointed to this article regarding engine oil.  I worked for Chevron for 17
years and have always used Delo in my non-turbo cars anyway, but the
article seems to back up my intuition...not that I claim to be an engineer
or anything even remotely close.  I'm a seat-of-the-pants-data dweeb.

http://www.lnengineering.com/oil.html

On Sat, April 12, 2008 12:02 am, Mike Fitton wrote:
>> The manual says API SF or SG rating.  I know what the S means, but I'm
>> not completely clear on the F or G part.  I remember looking at Mobil 1
>> last time I bought it, and it was neither SF nor SG.  Kind of
>> disappointed with Mobil 1 lately for lots of reason, but I think this is
>> the last nail in that coffin.  Lots of people have been running Mobil 1
>> for like a decade or more by now, so I'm thinking it can't be that
>> crucial.    So suppose I want to run an oil that carries an SM rating.
>> It also carries a few VW ratings, incidentally.  Is that acceptable, or
>> should I really try to find something SF/SG if I can?
>>
>> -Cheers!
>> Mike


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