Matthew, you opined:

<< I think oil is basically oil (FLAME ON). The hype over synthetic/dino
etc. is overblown (IMHO). >>

   I'd haveta disagree and say that all dinos pretty much compare to
dinos, and etc.  Here's a seat of the pants observation for ya: (2.1
liter)  AFAIK, this engine never tasted MMO.

   When I tried to push Castrol 20W50 past 4,000 miles, the dynamic oil
pressure system would sound off after hard freeway runs.  Lifter noise
after short term (or no term)  layoff was common- no matter whether the
oil was fresh or not.  After I switched to Mobil 1 15W50, and 8,000 mile
change intervals, neither phenomenon ever happened again- not even during
the startup after the bus had been idle for five months.

        George/ATL
        '89 WesTiico, Wernher

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