09-08-2012, 02:54 PM
Good oil is good oil at the end of the day... If it holds its lubricating properties in greater extremes then that's a bonus... As long as you get it in the right range you'll be fine...
A good fully ester synthetic at 10w40 isn't going to do any worse than total quartz... Probably a whole lot better.
A good fully ester synthetic at 10w40 isn't going to do any worse than total quartz... Probably a whole lot better.