Originally Posted by Schleprock
First off let me thank Stirling Six for all his help on my questions.
These are 3 simple questions from a simpleton ha ha!
I have a 2000 Ford Taurus and I live in the Northeast(New Jersey)
A friend of mine recently gave me a case of 10W-30 and my car takes 5W-30
1. The case is maybe two years old. Does oil degrade over time?
2. When can I use 10W-30? Is it during the colder months or the during the
3. I am blind as a bat could someone recommend new headlights for my car
that are dramatically better than the standard ones that come with the
Thanks for all your help this site rocks!
Others may disagree, I refuse to use 5W anything in any of my engines. That stuff is like water. I switched over to straight #40 for both my 2002 Econline Van, my 1999 Taurus along with my boat. Yes, the oil is heavy but at least things will get lubricated. Ford recommends the 5W stuff with hopes of improving fuel mileage.
The original reasons for multiple viscosity oils go back to when cars were powered with 6 volt batteries. They were difficult to start in cold weather with heavy grades oils. With 12 volt systems along with better ignitions starting problems are almost a thing of the past.
Important to understand that the additives to oil that allow it to have a multiple viscosity lack lubrication properties. Crusader who markets a marine version of GMC's 454 truck engine states that if a multiple viscosity oil is used, it will void the warranty. They recommend 40 grade oil.
Oil storage--- if it is in a sealed container, the stuff should last for decades.