Originally Posted By: mjoekingz28
JFYI, they state that synthetic oils are incapable of solubilizing engine contamination and combustion by-products.
The difference between synthetic and mineral oils are the structure of
the molecules and the purity of the oil. Refined crude contains complex
mixtures of different molecule structures and saturates (nitrogen,
sulfur and oxygen). There is no way to select only the best materials
from this mixture. Thus mineral oils contain both the most suitable
materials and the least suitable materials for an engine oil.
Synthetic oils are engineered to tailor molecular with predicable
properties. Because of this, synthetics can have the best properties
of a mineral oil with out the unwanted materials. Due to their uniform
sized molecules they sport two unique advantages over mineral oils...
lower friction coefficients and higher oxidation stability. This means
improved energy efficiency less friction and longer drain intervals
In a traditional Mineral (Dino) oil, the crude molecules varies in size and
composition which gives rise to increase friction and consume more HP.
In a fully synthetic oil, the crude molecules are engineered to the same size and
composition which decreases friction and consumes less HP.