synth oil is an upgrade all around
the fact that it has smaller particles doesnt mean its thinner and protects worse, it means it lubricates the metal better
and it doesnt have the coarse particles like the mineral based ones
synthetic oil is the way to go all around, except if your poor or you have a leak, because the smaller particles leak out easier, and they cost about 5 bux a pop ... so yea, spensive stuff...
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