Comparing the 2017 Ford Edge vs 2017 Ford Escape Car details Prices do not include sales taxes, licensing, other options, installation, administration and other dealer program fees. Prices include freight and P.D.E.
Ford engineers want an oil with a cSt value between 8.5 and 9 at operating temperatures. Tolerences, oil passages, oil pumps, cooling systems, etc. are set up for this cSt value. It is more correct to say that oil thickens as it cools.