no credible reason to not use "synthectic" oil
there is no credible reason to use any oil except
synthetic oils in your engine .
most "synthetic oil" is not really synthetic oil
you need to read the specifications on the back of the oil bottle
for fuel economy
ACEA A1 B1 - A5 B5
for most engines for maximum life and minimum engine deposits
ACEA A3 B3 - A3 B4
Effects of Shearing - Bob is the Oil Guy
the correct oils will prolong engine life and increase FE slightly and
are "cheaper" to use than
the
DOGSHNIT oils most people think are "good enough"
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