Originally Posted by 540 M-Sport

Jason, you should definitely read this article by Aehaas on oil and oil viscosity, I think you may have a different opinion about 0w-20 after reading it....I do. I am still unconvinced I will use 0w-20 outside of a manufacturer recommending it, but Aehaas makes a good argument for it: http://www.ferrarichat.com/forum/faq...=haas_articles