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Originally Posted by Frodo
Why do you suppose it is that some of the most highly touted motor oils (Royal Purple, Red Line, etc.) don't seem to make the list? (I'm guessin' somehow it's money-related, but I don't really know.)
Paul, what do you use? What do you think of the Castrol synthetic?
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My 2001 came new with 0W-40 Mobil 1,why change?
It uses no oil between annual oil changes (75,000 miles on it so far).
My advice after hearing these arguments for 40 years? Use an approved oil and change it annually.
IMO anything else is nothing more than a waste of your money.
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1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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