SPek9 Donator Donator Joined Aug 24, 2009 Messages 2,505 Sep 6, 2016 #21 5w40 or 0w30 would be better for a daily driver because it's thinner on start up where most wear occurs A good synthetic 5w40 is also ideal for track. 10w40 is only more viscous when cold
5w40 or 0w30 would be better for a daily driver because it's thinner on start up where most wear occurs A good synthetic 5w40 is also ideal for track. 10w40 is only more viscous when cold
