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spuggy spuggy is online now
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Join Date: Jul 2003
Location: Glorious Pac NW
Posts: 3,414
Problem with thinking oil formulation stays the same, is that it doesn't. IIRC, Mobil 1 hasn't been synthetic in the US for around 6 years, while that long ago it still was in Europe - dunno about now.

(Read that on one of those humongous oil threads and I'm certainly not going back to find it...)

Shell Rotella. Good additive pack, cheap as chips, no kool aid. Several types - including full synthetic.
'77 S with '78 930 power and a few other things.
Old 06-17-2013, 07:05 PM
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