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My 0-200, 700 hours since new, I have been using
Phillips 100w for the last couple of years.
I always have some blowby out the vent tube
that gets the bottom of my fuselage oily, not a lot, but enough to
clean after each flight.
I inherited a box of Shell 100w, couple of hours, almost no
I don’t see this as a problem, but curious as to how this is
oil levels are the same, viscosity same, both mineral oils, non synthetic.
Running Phillips, perchance did you operate in a more dusty environment that might have just highlighted the blowby?
Nothing has changed
an A & P told me that the shell product contains cam guard, can it possibly work that fast, 2 hours flight time?